semi-continuous mining technology
石英 英文名称：semi-continuous mining technology 中文名称：半连续开采工艺 英文名称：squeezing combined grinding process 中文名称：挤压联合粉磨工艺 “水泥煤炭价格差”持续下降
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露天矿工艺系统可靠性对露天矿的主要技术经济指标有很大影响，特别是采用连续或半连续开采工艺时更是如此。
The reliability of mining technological systems has a notable impact on main economic and technical indices. especially when continuous or semi-continuous mining system is employed.
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