This paper analyses the cause of uncleanness of air pipe line on locomotive,and puts forward taking TIG weld ing tech nology in order to ensure that the quality of pipe line on lo como tive achieves design standard.是什么意思_This paper analyses the cause of uncleanness of air pipe line on locomotive,and puts forward taking TIG weld ing tech nology in order to ensure that the quality of pipe line on lo como tive achieves design standard.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句