对弹体的壳体厚度、局部加固和焊接位置提出建议。

Some Suggestions are carried out to define the thickness of cartridge, the local strengthening and the weld locations.

youdao

对弹体的壳体厚度、局部加固和焊接位置提出建议。

Some Suggestions are carried out to define the thickness of cartridge, the local strengthening and the weld locations.

youdao