Through the exploration of the mechanism of welding cracks on beam hangers, the reason behind the crack is analyzed.

对游梁式抽油机悬绳器焊接裂纹产生原因进行了分析。

youdao

Through the exploration of the mechanism of welding cracks on beam hangers, the reason behind the crack is analyzed.

对游梁式抽油机悬绳器焊接裂纹产生原因进行了分析。

youdao