diagonal tube 中文意思是什麼
diagonal tube
解釋
斜管-
Technical requirements for tube straightener with diagonal roll
斜輥式管材矯正機.技術條件 -
Control and reduce the deformation of welding for frame of ball nodal in such kind of steel tube as diagonal laying of quardcone and quaraune diagonal laying with double phase
兩向正交斜放類型鋼管球節點網架焊接變形的方法
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