字典網>> 英漢字典>> W開頭詞條>>welding with backing的意思 漢英字典welding with backing中文翻譯：【化】 襯墊焊; 墊板焊welding with backing相關詞條：welding tongs welding residual deformation welding rod core welding and cutting torch welding current welding grade shield gas welding rod welding with flux backing welding subassembly welding metal cracking