reciprocation
短語詞組
- 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(yīng)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(zhì)量 返回 reciprocation