英语词汇“edge coal”的翻译、意思、用法、释义-英汉汉英双解词典

单词	edge coal
释义	edge coal 陡煤层
随便看	drill operator drillosteoclasis drill out drill out crank shaft drill output drill-over drill pad drill pattern drill pcint gage drill pcint gauge drill perfusion stakes drill peripheral speed drill pile drill piles drill pin drillpipe drill pipe drill-pipe drill pipe alignment method drill pipe body Drill pipe breaking drill pipe clamp drill-pipe conveyed logging drill pipe counter drill pipe coupling