Based on the practice of open water grouting in Donghuantuo mine of Kailuan Mining Area, the technology and technique of open water grouting are expounded.
明水注浆是在巷道已经发生涌水后进行堵水注浆的一种方法，以开滦东欢坨矿井下明水注浆实践为基础，阐述了明水注浆技术及注浆工艺。
The choice of mining technology for open pit mine is an important part of open pit design, which will directly affect the economic benefits of mine.
露天矿开采工艺的选择是露天矿设计的重要环节，直接影响到露天矿的经济效益。
The technology is very useful for exploiting gentle-inclined thin bauxite body as well as for open-pit mining of iron ore.
该工艺对于缓倾斜薄矿体铝土矿、铁矿露天开采具有重要意义。
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