短語詞組短語reciprocation force 往復力tubing reciprocation 油管上下運動reciprocation cycle 往復運動循環(huán)reciprocation motion 往復運動;往復運動副reactive reciprocation 一種反應式的回報reciprocation tube 伸縮套管screw reciprocation 螺桿往復workstring reciprocation 工作管柱上下往復運動reciprocation mass 往復質量 返回 reciprocation