The mechanical cause of ShouWangFen brushstructure and variabilities of mechanical features of vorti-cal surfaces were analysed by the method of mathematics andmechanics.是什么意思_The mechanical cause of ShouWangFen brushstructure and variabilities of mechanical features of vorti-cal surfaces were analysed by the method of mathematics andmechanics.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句