往复式活塞液体流量计
oscillating piston liquid meter
液体活塞回转泵
rotary pump with liquid piston
液体活塞式鼓风机
liquid-piston rotary blower
液体活塞式旋转压气机
liquid piston rotary compressor
液体活塞式转子真空泵
rotary vacuum pump with liquid piston
活塞式单体液压支柱
piston hydraulic single prop
半固体液体石蜡
semi-solid liquid paraffin
更换燃料窝液体体积
refueling cavity liquid volume
径向活塞液力马达
radial-piston hydraulic motor
气液活塞泵
gas-liquid reciprocation pump
人体体液
sodium tetraphenyl borate