The experiment shows that the welding system could be used in the weld of different position effectively when properly changed,which means the all position automatic weld on large struct...是什么意思_The experiment shows that the welding system could be used in the weld of different position effectively when properly changed,which means the all position automatic weld on large struct...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句