Yan C H, Yang Y C, Dong J F.The Study of dynamic flow units[J].Journal of Chengdu University of Technology, 1999,26(3) : 273-275.是什么意思_Yan C H, Yang Y C, Dong J F.The Study of dynamic flow units[J].Journal of Chengdu University of Technology, 1999,26(3) : 273-275.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句