strip coal mining的意思|示意
露天采煤
strip coal mining的网络常见释义
露天采煤 ... 露天采矿工人 sledger; 露天采煤 strip coal mining; 露天采煤机械 opencut mining machinery; ...
strip coal mining相关短语
1、 strip mining of coal 露采煤矿
2、 strip extraction coal-pillar mining 条采煤柱回收
3、 multi-coal seam strip mining 多煤层条带开采