The article introduces a technique of repairing the crack in the moving crosshead of an extrusion press, based on CO2 gas shield welding.是什么意思_The article introduces a technique of repairing the crack in the moving crosshead of an extrusion press, based on CO2 gas shield welding.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句