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1[usually treated as singular] The branch of science and technology concerned with the conveyance of liquids through pipes and channels, especially as a source of mechanical force or control.
- ‘Cooper says customers are now looking for more support and not just commissioning products and then outsourcing support for hydraulics, manufacturing and mechanical engineering.’
- ‘The first volume covered dynamics, mechanics, hydrostatics, hydraulics, aerostatics, and pneumatics.’
- ‘In his lifetime he contributed much in the fields of mechanics, hydraulics, architecture, engineering, and natural history.’
- ‘This work was to be in four parts, arithmetic, geometry, mechanics, and hydraulics.’
- ‘The 16 week training programme covered subjects such as the use of breathing apparatus, first aid, hydraulics, chemistry, physics, building construction and basic fire safety.’
2Hydraulic systems or forces.‘the lift is driven by hydraulics’
- ‘Electronic monitoring of engines and hydraulics and diagnosing problems also are helping lower repair bills.’
- ‘One year, for example, the temperatures clipped so low that the hydraulics on the aircraft due to fly them back froze - even worse, so did the alcohol on-board.’
- ‘And it was not just new mechanical power and hydraulics that made the difference.’
- ‘Adjustable platforms were installed lineside that can be raised or lowered using under-floor hydraulics.’
- ‘It's basically the same as the manual gearbox, but electronically controlled hydraulics operate the clutch and the gearchange for you so there's no need for a clutch pedal anymore.’
- ‘Fortunately, the landing gear was already down and locked, but without hydraulics he would not have use of speed brakes or flaps for his return to the field.’
- ‘Then there's the shockwave, a phenomenon of such ferocity that it jams the hydraulics and freezes the controls.’
- ‘There are usually warm-up times for instruments, flight controls, hydraulics, accessory cases, etc.’
- ‘However, as the hydraulics on the right side began to fall off line, I was warned of a right leading-edge-flap lockout.’
- ‘If the hydraulics or brakes fail, that jet would start to move across the flight deck and could go over the side.’
- ‘The ferry was to have gone for its annual overhaul in March, but mechanical faults involving the hydraulics of one of the ship's propeller shafts made the work more pressing.’
- ‘These systems are all-electric, using a computer-controlled motor to replace the more common engine-driven hydraulics on conventional power steering.’
- ‘I quickly scanned the instruments and assessed all was well with the engines and hydraulics.’
- ‘They are particularly impressed by the hydraulics on the machine.’
- ‘Most of them already know how to weld, they know electric motors and hydraulics.’
- ‘More complex systems utilize hydraulics and computers.’
- ‘Having the necessary power and hydraulics available might be the first challenge to meet when you want to expand the capability of your excavator.’
- ‘All indications regarding engine operation, hydraulics and electrics appeared normal as the two aircraft prepared to taxi.’
- ‘The dump body is made of industrial-weight polyethylene, and the drive system uses a winch rather than costly hydraulics.’
- ‘The hydraulics for the No.1 engine had less than two gallons remaining.’
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