The conference parts by vise general manager of company of Tianjin steel tube Yang Xiaoyong and Heng Yanggang are in charge of Qiu Yongtai of limited company acting chief engineer to chair.是什么意思_The conference parts by vise general manager of company of Tianjin steel tube Yang Xiaoyong and Heng Yanggang are in charge of Qiu Yongtai of limited company acting chief engineer to chair.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句