常見(jiàn)例句

雙語(yǔ)例句

• This paper describes the top structute of Mode C down-the-hole butten bit, including the top shape, fragments blowdown space, butten shape and but-ton distribution, etc.
  文中對(duì)C型潛孔柱齒鉆頭頭部的端面形狀、排渣空間、柱齒形狀及分布等問(wèn)題加以闡述。
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