Dae Jang square welded components large cross section of weld cladding weld necessarily lead to a larger deformation, must try to prevent.是什么意思_Dae Jang square welded components large cross section of weld cladding weld necessarily lead to a larger deformation, must try to prevent.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句