For pressure piping and small size pressure vessel,the process of automatic pulse GMAW is an ideal substitute for the traditional process of GTAW with SMAW to cover weld face.是什么意思_For pressure piping and small size pressure vessel,the process of automatic pulse GMAW is an ideal substitute for the traditional process of GTAW with SMAW to cover weld face.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句