LIU Yan-cong,WANG Hui-yi,SHI Yong-jun.Design of new reduced under reaming whipstock in ultrashort radius radial system[J].China Petroleum Machinery,2005,33 (1):18-20.是什么意思_LIU Yan-cong,WANG Hui-yi,SHI Yong-jun.Design of new reduced under reaming whipstock in ultrashort radius radial system[J].China Petroleum Machinery,2005,33 (1):18-20.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句