| 释义 |
hydraulic ram 压力扬汲机，水力夯锤 以上来源于：《21世纪大英汉词典》 hydraulic ramn.【机】1.(device involving displacement of piston)液压机冲头2.(water pump)水锤泵详细释义源自:《新世纪英汉大词典》Collins外研社 n.液压机冲头水锤泵英英释义n.a water pump that uses the kinetic energy of flowing water to force a small frac |