river mining

The air-lift vertical pipes is frequently encountered in deep-sea mining, hydraulic coal-mining and river sludge removing.

气举提升是在深海采矿 、 水力采煤和河湖清淤中经常遇到的问题.

One of the big gold-mining areas in Russia is the Kolyma River region, once infamous for its prison camp.

科累马河地区是俄罗斯大型黄金采矿区之一，曾经是声名狼籍的战俘集中营。

The necessity of under river mining in Yungang Mine and its mining selecting

云冈矿河下采煤的必要性及采煤方法选择

In recent years, protesters have tried to block illegal mining operations, leading to violent clashes inside the Three-River Source Nature Reserve, a protected area outside Yushu that contains the headwaters of the Yangtze, Yellow and Mekong rivers.

近年来，抗议者曾试图阻止非法的采矿活动，所以三江源自然保护区爆发了多次暴力冲突。三江源是玉树之外的一个保护区，长江、黄河、湄公河发源于此。

The purpose of constructing rubber dam project across Shili River in Datong City is regulating, storing and reusing waste water of cool mining.

在大同市十里河上兴建橡胶坝工程是为了调蓄利用采煤废水。

Research and exploration on sand mining plan in trunk stream of the middle and lower Yangtze river

长江中下游干流河道采砂规划研究与探索