经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。

It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test.

youdao

经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。

It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test.

youdao