基本解释推动曲柄词组短语短语throw of crank 曲柄行程;曲柄半径throw of crank shaft 曲柄半径;曲轴曲柄曲柄半径;曲轴曲柄;详细翻译three throw crank shaft 三连曲轴;三拐曲轴single throw crank shaft 单拐曲轴;单拐曲柄轴;单弯曲柄轴double throw crank shaft 双弯曲柄轴