短語(yǔ)詞組短語(yǔ)ram type pressure multiplier 柱塞式壓力倍增器ram intake pressure 進(jìn)氣道沖壓ram -pressure orifice 速度壓頭噴嘴ram piston pressure 上頂栓壓力ram recovery pressure ratio 沖壓恢複壓力比ram air pressure switch 沖壓空氣壓力電門ram air pressure sensor 沖壓傳感器nominal ram pressure 滑枕公稱壓力ram pressure line 沖壓琯路 返回 ram pressure