基本解釋小方材英漢例句雙語例句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題加以闡述。butten更多例句詞組短語短語Butten Sarah 名稱show butten 顯示放回原處rewind butten 快倒鍵Sarah Butten 標(biāo)簽programmed butten 編程按扭butten更多詞組