?真空增进器    vacuum augmentor

?真空破除器    vacuum breaker

?真空破除阀    vacuum breaker valve

?真空吸尘器    vacuum cleaner

?真空干燥器    vacuum drier

?真空蒸发器    vacuum evaporator

?真空风扇    vacuum fan

?真空过滤器    vacuum filter

?真空计    vacuum gauge

?真空线    vacuum line

?真空管路    vacuum line

?真空作用离合器    vacuum operated clutch

?真空[作用]离合器    vacuum operated clutch

?真空泵    vacuum pump

?真空柜    vacuum tank

?真空试验    vacuum test

?真空管    vacuum tube

?真空容器    vacuum vessel

?阀    valve

?阀体    valve body

?阀箱,阀室    valve box (or chest)

?阀壳    valve casing

?阀箱    valve chest (or box)

?阀箱,阀室    valve chest (or box)

?阀动圆    valve circle

?控阀台    valve control stand

?阀调节孔驱气    valve controlled port scavenging

?阀动图    valve diagram

?阀面    valve face

?阀规    valve gauge

?阀动装置    valve gear

?阀程限制片    valve guard

?阀导    valve guide

?阀杠杆    valve lever

?阀杆间隙    valve lever clearance

?阀杆支架轴    valve lever fulcrum shaft

?阀杆支轴    valve lever support shaft

?阀升程    valve lift

?阀升程调整装置    valve lift adjusting gear

?阀衬    valve liner

?阀盘    valve plate

?阀囊    valve pocket