English translation for "导洞开挖"

pilot drive

Related Translations:

门户洞开:  the gate is wide open

导洞开采:  drift mining

阿拉霍洞开:  alohomora

探洞开挖:  exploratory tunnel excavating

隧不洞开挖:  tunnel excavation

道洞开挖法:  pilot method of excavation

挖地道:  gallery

回挖:  back cutting

挖个坑:  dig a hole

风挖穴:  wind scoop

Similar Words：

"导洞法" English translation, "导洞掘进" English translation, "导洞掘进法" English translation, "导洞掘进工" English translation, "导洞开采" English translation, "导洞口" English translation, "导洞梯段挖法" English translation, "导洞与层阶法" English translation, "导洞掌子面" English translation, "导洞支撑" English translation