A 150A DC TIG welding machine is developed,using specially designed thyristor rectifier and IC control circuit,which is simple,reliable and of high quality.是什么意思_A 150A DC TIG welding machine is developed,using specially designed thyristor rectifier and IC control circuit,which is simple,reliable and of high quality.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句