abandoned coal mine
常见例句
- This used to be a coal mine, but it's abandoned now.
这儿曾经是个矿井，但已经被废弃了。 - Three years of research at an abandoned coal mine in Argonne, Illinois.
在伊利诺州市的一个废弃煤矿的三年研究取得了成果。
8875.org - In the progress of tunnelling of track dip in No. 9 coal of Kangda mine at Xingtai, defective sectors such as abandoned old goaf are possible to be encountered.
邢台康达煤矿9煤轨道下山掘进过程中，可能会遇到废弃老空区等不良地段，将面临松散破碎围岩条件下的支护难题。 返回 abandoned coal mine