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central heating and cooling system control in a boiler room. 版權商用圖片

#92932485 - central heating and cooling system control in a boiler room.

Yellow gas pipe line valves. Oil and gas extraction, production and transportation industrial 版權商用圖片

#121028022 - Yellow gas pipe line valves. Oil and gas extraction, produc

Large valves on the pipeline. Underground water supply system.

#101515558 - Large valves on the pipeline. Underground water supply syst

New rotary valve type is silver gray for installation in the water supply system. Isolated 版權商用圖片

#118938276 - New rotary valve type is silver gray for installation in th

Water Centrifugal pump and motor line with pipe rack in power plant construction site industrial, demineralized water 版權商用圖片

#92999903 - Water Centrifugal pump and motor line with pipe rack in pow

Ball valve isolated on a white background 版權商用圖片

#114331178 - Ball valve isolated on a white background

Water treatment system for boiler station.

#91317606 - Water treatment system for boiler station.

central heating and cooling air handling system control. 版權商用圖片

#92933736 - central heating and cooling air handling system control.

Professional medical doctor holding a red heart ball in the hospital. Concept of health care. 版權商用圖片

#95596549 - Professional medical doctor holding a red heart ball in the

Valvular heart disease

#50194221 - Valvular heart disease

Oil worker turning valve on oil rig

#110606227 - Oil worker turning valve on oil rig

Doctor holds snapshot of ultrasound of heart and indicates with ballpoint pen on possible pathology of heart aortic valve. Concept photo of cardiac ultrasonic diagnostics of valve apparatus in adults

#102831546 - Doctor holds snapshot of ultrasound of heart and indicates

Hydraulic Aggregates for the individual drive of working bodies of hydraulic presses 版權商用圖片

#95005679 - Hydraulic Aggregates for the individual drive of working bo

#39842609 - Valve and Taps icon set

Equipment, cables and piping as found inside of a modern industrial power plant

#40092976 - Equipment, cables and piping as found inside of a modern in

On the screen of a modern ultrasound scanner, a heart image with an interatrial defect and a Doppler-marked flow of blood from one atrium to another. Black and white photo.

#105071446 - On the screen of a modern ultrasound scanner, a heart image

3d illustration of human heart and cardiogram with mesh texture modeling on abstract futuristic blue background. Concept of digital technologies in medicine 版權商用圖片

#116008120 - 3d illustration of human heart and cardiogram with mesh tex

Pipelines infographics template. Pipes and valves. 向量圖像

#90753494 - Pipelines infographics template. Pipes and valves.

Heart valve surgery. Pulmonary, Tricuspid, Aortic and Mitral valve. Biological valves and Mechanical valves

#51511188 - Heart valve surgery. Pulmonary, Tricuspid, Aortic and Mitra

Red medical dust protective mask n95 with face protection of pollution air and dust. Respiratory mask with valve for health protection, vector illustration. 向量圖像

#122281158 - Red medical dust protective mask n95 with face protection o

Pneumatic input to robot handle grip handle

#104267078 - Pneumatic input to robot handle grip handle

cartoon heart failure concept on the green background

#94352458 - cartoon heart failure concept on the green background

heart valves anatomy infographic Vector illustration. 向量圖像

#97158373 - heart valves anatomy infographic Vector illustration.

oil flowing out of pipe, male oilman opens tap. Pop art retro vector illustration kitsch vintage

#110273002 - oil flowing out of pipe, male oilman opens tap. Pop art ret

Pressure safety valve install at discharge of feed gas compressor to protect unexpected pressure form process.

#90021001 - Pressure safety valve install at discharge of feed gas comp

Electrical and Instrument technician is replacing solenoid valve of shut down valve at oil and gas wellhead remote platform, offshore occupational oil and gas business. 版權商用圖片

#97097425 - Electrical and Instrument technician is replacing solenoid

medical structure of the heart

#47868556 - medical structure of the heart

Valve EGR

#40042828 - Valve EGR

Large industrial water treatment and boiler room. reverse osmosis plant, RO 版權商用圖片

#89476030 - Large industrial water treatment and boiler room. reverse o

Pneumatic control valve in a steam heating system

#85493112 - Pneumatic control valve in a steam heating system

Steampunk fantastic intricate industrial machine with pipes, wires, tanks and control panels. The complex of metal parts of devices is controlled by a robot. Vector flat illustration. 向量圖像

#116631638 - Steampunk fantastic intricate industrial machine with pipes

Set line icons of house systems 向量圖像

#97645046 - Set line icons of house systems

colorful pipe for water piping system 版權商用圖片

#115561476 - colorful pipe for water piping system

pump , manometer, pipes and faucet valves of heating system in a boiler room.

#92933741 - pump , manometer, pipes and faucet valves of heating system

Heart valve surgery cardiology for patient in hospital.

#83973098 - Heart valve surgery cardiology for patient in hospital.

The pneumatic production machine.New manufacturing process. 版權商用圖片

#80017332 - The pneumatic production machine.New manufacturing process.

New copper pipework ready for construction – Adjustable wrench, 15mm copper piping and brass joints laid together against a grey background 版權商用圖片

#84491468 - New copper pipework ready for construction – Adjustable wre

manometer pipes and valve in water pump station 版權商用圖片

#87813109 - manometer pipes and valve in water pump station

Bicycle wheel symbol vector illustration. Bike rubber mountain tyre, valve. Fitness cycle, mtb, mountainbike

#122784795 - Bicycle wheel symbol vector illustration. Bike rubber mount

Beer always on tap advertising. Chalkboard design element for beer pub. Vector vintage illustration.

#98614780 - Beer always on tap advertising. Chalkboard design element f

#114159318 - Vector icon and logo of plumbing. Editable outline stroke s

red generator pump for water sprinkler piping and fire alarm control system 版權商用圖片

#83084456 - red generator pump for water sprinkler piping and fire alar

Set of pipes and valves - modern vector isolated clip art 版權商用圖片

#91001708 - Set of pipes and valves - modern vector isolated clip art

Engineer using laptop computer for maintenance in thermal power plant factory

#86171639 - Engineer using laptop computer for maintenance in thermal p

Industrial steel pipeline with red faucets realistic background vector illustration 向量圖像

#119531511 - Industrial steel pipeline with red faucets realistic backgr

Sketch of human heart anatomy on blue line on a white background. Educational diagram showing blood flow with hand written labels of the main parts. Vector illustration easy to edit

#91670934 - Sketch of human heart anatomy on blue line on a white backg

Faucet with tied knot isolated on white background 3D rendering

#90846148 - Faucet with tied knot isolated on white background 3D rende

Butterfly valve type used in oil and gas industry isolated on white background. 版權商用圖片

#111976509 - Butterfly valve type used in oil and gas industry isolated

Gas turbine electrical power plant at dusk with twilight support all factory

#82859907 - Gas turbine electrical power plant at dusk with twilight su

Close up of Car/Automobiles electronic EGR valves

#78984170 - Close up of CarAutomobiles electronic EGR valves

Man's hand holding a manometers on equipment for filling air conditioners 版權商用圖片

#86798014 - Mans hand holding a manometers on equipment for filling air

Car engine cylinder head with broken valve, two valve construction

#88423268 - Car engine cylinder head with broken valve, two valve const

Engineer using laptop computer for maintenance in thermal power plant industrail

#86171640 - Engineer using laptop computer for maintenance in thermal p

#110662001 - Isolated object of pipe and tube logo. Set of pipe and pipe

#101996314 - Valve line icon, vector illustration. Valve linear concept

Pneumatic control valve in a steam heating system

#85377485 - Pneumatic control valve in a steam heating system

Group bearings and rollers (automobile components) for the engine and chassis suspension

#82168382 - Group bearings and rollers (automobile components) for the

water pumping station. Valve faucet and pumps

#87701152 - water pumping station. Valve faucet and pumps

Industrial fire pump station for water sprinkler piping and fire alarm control system. Pipelines, water pump, valves, manometers.

#75641284 - Industrial fire pump station for water sprinkler piping and

Sketch of piping design mixed with industrial equipment photo 版權商用圖片

#40943749 - Sketch of piping design mixed with industrial equipment pho

Natural gas processing plant with pipe line valves

#66255721 - Natural gas processing plant with pipe line valves

Yellow oil or gas pipe line valves. 3d illustration

#56606792 - Yellow oil or gas pipe line valves. 3d illustration

Wire-frame industrial equipment oil and gas pump. Tracing illustration of 3d. EPS 10 vector format. 向量圖像

#37927245 - Wire-frame industrial equipment oil and gas pump. Tracing

Black car parts icons. Gear for automobile, battery and piston, brake and motor, vector illustration

#51706900 - Black car parts icons. Gear for automobile, battery and pis

installation of fire safety

#18020746 - installation of fire safety

Automated Valve 版權商用圖片

#82055202 - Automated Valve

manometers measuring equipment for filling air conditioners,gauges.

#88158880 - manometers measuring equipment for filling air conditioners

Manometer (pressure gauge) and vacuum gauge icons. Vector illustration

#31425164 - Manometer (pressure gauge) and vacuum gauge icons. Vector i

Old historic wine cellar in Langhe (Piedmont, Italy). Detail of a stainless steel valve on an oaken wine cask

#93928816 - Old historic wine cellar in Langhe (Piedmont, Italy). Detai

Fire extinguisher with various types of fire extinguishers Located In the white wall. copy space for text and content 版權商用圖片

#103961799 - Fire extinguisher with various types of fire extinguishers

Thermostatic Head Valve for Radiator Heater Coin Money notepad for entries Heating Project Boiler room house Heat Supply Building Concept of Energy saving and conservation to pay for public service.

#101536943 - Thermostatic Head Valve for Radiator Heater Coin Money note

Screen, control panel and keyboard of modern ultrasound scanner after cardiac examination. Black and white photo. 版權商用圖片

#105070939 - Screen, control panel and keyboard of modern ultrasound sca

The equipment of the boiler-house, - valves, tubes, pressure gauges, thermometer. Close up of manometer, pipe, flow meter, water pumps and valves of heating system in a boiler room.

#133340442 - The equipment of the boiler-house, - valves, tubes, pressur

modern factory worker turning valve

#119770288 - modern factory worker turning valve

Pneumatic valve meter or pressure control machine.

#120138679 - Pneumatic valve meter or pressure control machine.

Heart valves anatomy. Mitral valve, pulmonary valve, aortic valve and the tricuspid valve. 向量圖像

#126546631 - Heart valves anatomy. Mitral valve, pulmonary valve, aortic

#124065700 - Solenoid for water flow control icon design.

Screen, control panel and keyboard of modern ultrasound scanner after cardiac examination.

#105070943 - Screen, control panel and keyboard of modern ultrasound sca

huge air conditioning unit, central heating and cooling system contro 版權商用圖片

#92932493 - huge air conditioning unit, central heating and cooling sys

Grease trap, waste disposal water treatment ponds, waste water disposal procedures

#127161801 - Grease trap, waste disposal water treatment ponds, waste wa

Resin Coated Sand products for casting process 版權商用圖片

#92906873 - Resin Coated Sand products for casting process

A close-up of the motor or car engine inside. Technology background

#107675661 - A close-up of the motor or car engine inside. Technology ba

The mechanic disassemble block engine vehicle. Engine on a repair stand with piston and connecting rod of automotive technology. Interior of a car repair shop

#93001890 - The mechanic disassemble block engine vehicle. Engine on a

The boring machine make the hole at the cylinder head in the light blue scene.Automotive part manufacturing process .

#105013996 - The boring machine make the hole at the cylinder head in th

Varicose veins on a female senior legs. The structure of normal and varicose veins. Concept of dry skin, old senior people, varicose veins and deep vein thrombosis or DVT

#118000903 - Varicose veins on a female senior legs. The structure of no

Plumbing tools in the bathroom . 版權商用圖片

#118071051 - Plumbing tools in the bathroom .

Pipes and sewage pumps inside modern industrial wastewater treatment plant.

#113096680 - Pipes and sewage pumps inside modern industrial wastewater

central heating and cooling system control in a boiler room

#92932495 - central heating and cooling system control in a boiler room

Professional medical doctor holding a magnifying glass check up on a red heart ball on blur office in the hospital and bokeh background. Concept of health care.

#96922830 - Professional medical doctor holding a magnifying glass chec

The pressure gauge and valve on lpg tank 版權商用圖片

#92908528 - The pressure gauge and valve on lpg tank

plumber at work in a bathroom, plumbing repair service, assemble and install concept. 版權商用圖片

#95572070 - plumber at work in a bathroom, plumbing repair service, ass

Professional medical doctor holding a red heart ball in the hospital background. Concept of health care.

#95520237 - Professional medical doctor holding a red heart ball in the

Engineer inspection Fire extinguisher and fire hose.

#105136231 - Engineer inspection Fire extinguisher and fire hose.

N95 mask on a white background

#127239360 - N95 mask on a white background

Close up mechanic inflating put air into the tyre and checking air pressure with gauge pressure in service station

#111656161 - Close up mechanic inflating put air into the tyre and check

central heating and cooling system control in a boiler room. 版權商用圖片

#92933742 - central heating and cooling system control in a boiler room.

Groundwater well with pvc pipe and system electric deep well submersible pump water on green meadow

#119232187 - Groundwater well with pvc pipe and system electric deep wel

plumber at work in a bathroom, plumbing repair service, assemble and install concept. 版權商用圖片

#99466254 - plumber at work in a bathroom, plumbing repair service, ass

Raised view of white air duct on the ceiling with red water sprinkler pipe

#120196155 - Raised view of white air duct on the ceiling with red water

central heating and cooling system control in a boiler room

#92932489 - central heating and cooling system control in a boiler room

Engineer checking Industrial fire control system,Fire Alarm controller, Fire notifier, Anti fire.System ready In the event of a fire. 版權商用圖片

#105501655 - Engineer checking Industrial fire control system,Fire Alarm

Closeup of manometer, pipes and faucet valves of heating system in a boiler room

#31179303 - Closeup of manometer, pipes and faucet valves of heating sy

Nursing students are learning how to rescue the patients in emergency. CPR training with CPR doll and Ambu Bag.

#88272627 - Nursing students are learning how to rescue the patients in

Set for pipeline design. Pipes and valves. Vector illustration.

#116631639 - Set for pipeline design. Pipes and valves. Vector illustrat

Set of simple vector image of pipeline elements in black and white view.

#133333662 - Set of simple vector image of pipeline elements in black an

#53597492 - set of black isolated plumbing pipes icon

medical structure of the heart

#47868557 - medical structure of the heart

maintenance - technician checking pressure meters for house heating system

#72632313 - maintenance - technician checking pressure meters for house

shower faucet, plumbing and draft for repair

#37208274 - shower faucet, plumbing and draft for repair

Plumber with Plumbing tools on the kitchen. Renovation.

#34760090 - Plumber with Plumbing tools on the kitchen. Renovation.

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關於123RF

關於

特徵

博客

指導課程

服務

Corporate+

123rf合作夥伴計劃

123RF的增值經銷計劃

123RF聯盟計畫

法律規範

Legal

執照

隱私聲明

權力條規

123RF-Cookie政策

國際

Русский язык

Português (PT)

支持

需要幫助嗎？請聯絡您的客戶經理

@ 1 866 655 3733

聯絡

協助中心

聯繫我們

Follow us on Twitter

Join us on Facebook

Follow us on Pinterest

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