A great deal of dust and poisonous gas produced in the process of opencutmining 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。
2
Defining opencutmining 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。
3
The paper puts forward 5 types of the geological hazards happened in Fushun coalfield:1. slope deformation caused by opencutmining;