1) mining under riverbank
堤下采煤
2) "three unders" mining
"三下"采煤
1.
Yungang Mine is typical “three unders” mining district in which there is a big area together with water, railway and buildings.
云冈矿“三下”压煤面积大,且建筑物、水体、铁路连成一体,为典型的“三下”采煤。
3) Coal mining under river
河下采煤
4) underground coal mining
地下采煤
1.
The deformation of surface moving produced underground coal mining is calculated by probability integration and FLAC3D numerical simulation method.
通过概率积分法和FLAC3D数值模拟法计算木瓜井田地下采煤产生的地表移动变形量,定量评价其对地表杨家塔骨干坝的影响程度,在矿井灾害控制、构建和谐社会和经济效益上有着重要的意义。
5) sanxia caimei
三下采煤
6) mining under villages
村下采煤
补充资料：堤堤
1.鸟群飞貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条