wind speed
【电学】控制速度，互换活塞发动机，静水力（互换活塞发动机）
speed controlling reciprocating-piston engine, hydrostatic (reciprocating-piston motor)
暂无补充释义。
相关词条
speed reducer
root-mean-square speed
machine speed
air speed indicator (air speed meter, anemometer
mean speed
normal speed【物】;normal velocity【物】
service speed