短語(yǔ)詞組短語(yǔ)buttress casing thread connection 偏梯形套琯螺紋接頭buttress casing thread 偏梯形套琯螺紋buttress screw thread 鋸齒形螺紋screw buttress thread 鋸齒形螺釘centering buttress thread 自動(dòng)找中的梯形螺紋buttress thread form 鋸齒形螺紋;鋸齒形羅紋buttress screw -thread [機(jī)]鋸齒螺紋API buttress thread casing 偏梯型套琯Buttress thread type chain tensioners 鋸齒螺紋式鏈條張緊器 返回 buttress thread