Unfortunately, the tree is on the verge of extinction as illegal logging of the timber continues and a planned bauxite mining project will see large tracts of remaining forest destroyed.
不幸的是，由于乱砍滥伐，这种树已经濒临灭绝，并且由于一项铝土矿开采计划，我们将看到剩下的大片森林也会被毁掉。
Generally top slicing is a mining method of high cost, low productivity, and large consumption of timber as compared with other methods for mining metalliferous ore bodies.
对于金属矿的开采，一般认为分层崩落法与其他采矿法相比，是一种成本高、产量低、木材消耗量大的采矿方法。
Mining properties, oil and GAS reserves, and tracts of standing timber are leading examples of natural resources.
矿场、石油或天然气储备和林区是自然资源的典型例子。
A new type of the combined hydraulic support of suspension roof timber is designed based on the analysis of simple supports and fully mechanized mining supporter.
本课题在分析了几种简易轻便自移支架的基础上，提出了一种新型支架的架型——悬移顶梁组合支架。
A new type of the combined hydraulic support of suspension roof timber is designed based on the analysis of simple supports and fully mechanized mining supporter.
本课题在分析了几种简易轻便自移支架的基础上，提出了一种新型支架的架型——悬移顶梁组合支架。
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