The primary qualified rate of AUT is 97.27% and the rate of RT is 95.96% for fully automatic welding, and is 97% for manual welding.是什么意思_The primary qualified rate of AUT is 97.27% and the rate of RT is 95.96% for fully automatic welding, and is 97% for manual welding.在线翻译_英语_读音_用法_例句