基本解釋[機(jī)] 鋸齒螺紋，偏梯形螺紋；偏直三角螺紋；斜方螺紋詞組短語短語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 自動找中的梯形螺紋buttress thread更多詞組英英字典柯林斯英英字典 a screw thread having one flank that is vertical while the other is inclined, and a flat top and bottom: used in machine tools and designed to withstand heavy thrust in one direction buttress thread劍橋字典buttress thread柯林斯字典專業(yè)釋義機(jī)械工程鋸齒螺紋，偏梯形螺紋鋸齒形螺紋鋸齒螺紋