字典網>> 英漢字典>> W開頭詞條>>welding flux backing的意思 漢英字典welding flux backing中文翻譯：【化】 焊劑墊字典網相關詞條：welding symbols welding temperature field welding resistor welding circuit welding strain welding table welding procedure specification welding burner welding tilter welding neck flange