提供焊接法兰的脖子上对接焊目的所需要的正确垫与邻近组成部分。

Provide welding neck flange butt welding required for the purpose of the right pad with neighboring component.

youdao

提供焊接法兰的脖子上对接焊目的所需要的正确垫与邻近组成部分。

Provide welding neck flange butt welding required for the purpose of the right pad with neighboring component.

youdao