TC4 alloy can be welded by many kinds of methods such as TIG, MIG, PAW and electron beam welding (EBW in short).是什么意思_TC4 alloy can be welded by many kinds of methods such as TIG, MIG, PAW and electron beam welding (EBW in short).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句