常見例句

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(fù)合片鉆頭經(jīng)濟(jì)指標(biāo)的鉆頭參數(shù)設(shè)計(jì)問題，如負(fù)前角，側(cè)旋角等。
返回 negative side rake angle