Lifting and handling. Welded joints. Part 2: weld quality classes. Extent of the non-destructive testing.

提升和搬运。焊接接点。第2部分：焊接质量等级。无损检测范围。

youdao

Lifting and handling. Welded joints. Part 2: weld quality classes. Extent of the non-destructive testing.

提升和搬运。焊接接点。第2部分：焊接质量等级。无损检测范围。

youdao