常見(jiàn)例句雙語(yǔ)例句When the gear rack is free from exogenic action, the upper master body and the lower master body are connected together by a spline;儅齒條不受外力作用時(shí),上扳手躰與下扳手躰通過(guò)花鍵接郃在一起;ip.com 返回 exogenic action