Welding technology (Welding) Welding process is using ultrasound to complete the heat generated by the two layers of new technology lining fusing.是什么意思_Welding technology (Welding) Welding process is using ultrasound to complete the heat generated by the two layers of new technology lining fusing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句