【运输】流体驱动齿轮【运输】流体传动齿轮

fluid replacement

phlegm and retained fluid【中医】

supercritical fluid chromatograph

actuator, fluid-pressure

incompressible visco-fluid mechanics【流】 航

unit comprising both motor and pump fluid-pressure, actuator

combination of clutches with fluid clutches

Celestial Fluid Lactation-Promoting Beverage