mining railway的意思|示意

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mining railway相关短语

1、 mining railway locomotive 矿用铁路机车

2、 mining railway transportation system 矿区铁路运输系统

3、 coal mining area railway 矿区铁路

4、 coal mining under railway 铁路下采煤

5、 mining coal under railway 铁路下采煤

6、 under railway mining 铁路下采煤

7、 mining under railway 铁路下矿床开采

8、 mining under railway bridge 铁路桥下采煤