circular butt welding的意思|示意
美 / /
英 / /
圆形对焊
circular butt welding的网络常见释义
圆周对接焊 ... 双周 fortnight; quinzaine 圆周对接焊 circular butt welding 倒数纸 reciprocal paper ...
circular butt welding相关例句
The invention relates to a circular duct butt-welding rapid spotting and locating device and a circular duct butt-welding method.
本发明涉及一种圆管对焊快速找正定位装置及圆管对焊方法。