基本解釋[機械工程]負旁鋒刀面角負旁鐸刀面角英漢例句雙語例句This paper also discusses bit parameter design to improve the economy of PDC bits, such as negative rake angle and side rotation angle.本文還介紹了為提高復合片鉆頭經濟指標的鉆頭參數設計問題，如負前角，側旋角等。negative side rake angle更多例句專業(yè)釋義機械工程負旁鋒刀面角負旁鐸刀面角