1) pipe orifice welding
环口焊接
3) joint weld
接口焊接
4) around openings for welded attachments
环绕焊接附件孔口
5) welder interface
焊机接口
6) welding groove
焊接坡口
1.
Numerical-controlled cutting of welding groove of pipes intersection;
管端相贯焊接坡口数控切割研究
2.
Numerical control cutting of welding groove for intersecting of pipe and cone;
管锥相贯焊接坡口数控切割
3.
Reasoning system of welding groove selection of pressure vessels;
压力容器焊接坡口选择的推定系统
补充资料：环口苍白区
环口苍白区
circumora pallor
猩红热的病人，脸上一般不见点状红疹，额部与面颊发生红晕，衬托出环口周围反显苍白，称环口苍白区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条