Through study into the cutter head of AM50 roadheader of foreign manufacture,the authors establish the motion model and geometric model of the transverse cutter head.是什么意思_Through study into the cutter head of AM50 roadheader of foreign manufacture,the authors establish the motion model and geometric model of the transverse cutter head.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句