他们要求坑道工兵修桥或拆雷。They requested sappers to mend bridges or remove mines.鼹鼠挖坑道.A mole mines its way.坑道顶儿用柱子顶着.The pillars sustain the roof of the pit....

“坑道”的拼音为：kēng dào...

“坑道”的英语可以翻译为：[采矿]gallery，adit，mine，[军] tunnel，sap ...