英语词汇“pilot drifting method, pilot heading method”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	pilot drifting method, pilot heading method
释义	pilot drifting method, pilot heading method 导硐掘进法；巷道或硐室施工时；先以小断面超前掘进；而后再扩大到设计断面的方法。
随便看	TRIMIS TRIMIS Program Office Trimitan trimitic trimix tri-mix tri-mixed base Trimixin trimizoline trim joist trim judiciously trim knife trim knob Trimkowski trimlate trimle trim leather trimless mold trimless molding Trimlestown Trimley trim lift coefficient trimline trim line trim location