Groove preparation, cleaning before welding and butt welding construction of ther tower were showed.
介绍了坡口加工、焊前清理和上下塔对接施焊进程。
This article describes the in-field fabrication process of those steel structures, such as lining, shear, groove preparation, punching hole, bending, assembling and welding etc.
介绍了火电厂承重钢结构的现场加工制作、划线、剪切、坡口加工、打孔、弯制、拼装及焊接等工艺过程。
The invention discloses a compound porous structure of a micro groove and fiber and a preparation method thereof.
本发明公开了一种微沟槽与纤维的复合多孔结构及其制造方法。
The invention discloses a compound porous structure of a micro groove and fiber and a preparation method thereof.
本发明公开了一种微沟槽与纤维的复合多孔结构及其制造方法。
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