The practice proved that the welding quality of stainless steel clad plate was very steady if following the welding points.

 
  • 實(shí)踐證明,只要遵循其焊接要點(diǎn),不銹鋼復合鋼板的焊接質(zhì)量是非常穩定的。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan