The groove shapes, welding methods, filling materials, procedure parameters and concrete welding sequence are provided.
给出了这些管段焊口的坡口形式、焊接方法、焊接材料、焊接工艺参数及实焊工艺程序。
The groove shapes, welding methods, filling materials, procedure parameters and concrete welding sequence are provided.
给出了这些管段焊口的坡口形式、焊接方法、焊接材料、焊接工艺参数及实焊工艺程序。
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