under railway mining的意思|示意
美 / /
英 / /
铁路下采煤
under railway mining的网络常见释义
铁路下采煤 ... 铁路网 railway network; 铁路下采煤 under railway mining; 铁路限界 railway clearance; ...
under railway mining相关短语
1、 coal mining under railway 铁路下采煤
2、 mining coal under railway 铁路下采煤
3、 mining under railway 铁路下矿床开采