英语词汇“normal-circulation rotary drilling”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	normal-circulation rotary drilling
释义	normal-circulation rotary drilling 正循环旋转钻进
随便看	backed down back eddy backed fabric backed feed backed for bail backed frictional material backedge back edge back-edge beat back-edge cut back-edge cutting backedge of impulse back edging backed note back element backeless back eletromotive force back elevation back elevation drawing back elimiator Backelin Backell backed off backed-off backed-off cutter