A great deal of dust and poisonous gas produced in the process of opencut mining pollutes the environment seriously.
露天开采过程中产生大量的粉尘和有害气体，严重污染了环境。
The paper puts forward 5 types of the geological hazards happened in Fushun coalfield:1. slope deformation caused by opencut mining;
抚顺煤田开采诱发的地质灾害有5种主要形态类型：露天开采导致的边坡变形；
Treatments of special problems for the opencut mine are suggested, such as drying up of the aquifer, boundary movement and prediction of residual head.
模型针对露天矿特有的问题如含水层疏干、边界移动以及剩余水头预测提出了相应的处理方法。
Defining opencut mining area is the key link of opencut design and construction. Defining final mining area is equal to defining the mining and stripping quantity.
圈定露天矿开采境界是露天矿设计和建设的重要环节。
These opencut, containing shed-tunnel and opencut in the shape of arch, were often destroyed in the earthquake disaster, and makes more difficulties for the disaster relief officials.
在地震时常常引起这些明洞（拱形明洞或棚洞）的破坏，给抗震救灾工作造成极大的困难。
These opencut, containing shed-tunnel and opencut in the shape of arch, were often destroyed in the earthquake disaster, and makes more difficulties for the disaster relief officials.
在地震时常常引起这些明洞（拱形明洞或棚洞）的破坏，给抗震救灾工作造成极大的困难。
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