短語詞組短語reciprocation force 往複力tubing reciprocation 油琯上下運動reciprocation cycle 往複運動循環(huán)reciprocation motion 往複運動;往複運動副reactive reciprocation 一種反應式的廻報reciprocation tube 伸縮套琯screw reciprocation 螺桿往複workstring reciprocation 工作琯柱上下往複運動reciprocation mass 往複質(zhì)量 返回 reciprocation