扩帮 meaning in English
expanding rib
reaming
Examples
- The support designing analyses applying in big picking high and hard roof condition
坚硬顶板下综采准备工作面扩帮立架施工工艺 - Enlarged entry width
扩帮巷道宽度 - Abstract : on the basis of state of production in small north open pit of jinduicheng molybdenum mine , the urgency of expansion - wall mining in south open pit was discussed . the feasibility of boundary expansion and periodic expansion in south open pit was analysed
文摘:根据金堆城钼矿小北露天的生产现状，论述了南露天扩帮过渡的迫切性，同时分析了南露天全境界扩帮和分期扩帮的可行性。