-
-
- 对抗地道截断或破坏敌人坑道而挖的地道
A tunnel dug to intercept and destroy an enemy's mine.
- 主坑道矿井的主要位置
The main level of a mine.
- 坑道顶用木柱支撑。
The roof of the tunnel was supported by wooden props.
- 他们正在使煤矿坑道通风。
They are ventilating the sap of a coal mine.
-
-
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌