n.抽油拉桿的夾具 rod clamp: 抽油桿夾持器; 鉆桿夾板; 鉆桿夾持器; 鉆桿夾頭pull rod: 推桿; 小拉桿; 鉆桿立根pull-rod: 拉棒; 拉桿; 牽引桿pull rod(pull wire): 拉桿（拉繩）ejector rod clamp screw: 壓機(jī)頂栓固定螺絲下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
