mining losses造句
例句與造句
- Application of hierarchial analysis method in quantitative analysis of mine loss
層次分析法在礦井損失定量分析中的應(yīng)用 - Reducing the mining loss - an effective way for raising the economic benefit of coal mine
減少呆滯煤量是提高經(jīng)濟(jì)效益的有效途徑 - The application of pointed prop mechanical slice stoping and backfilling mining in sanshandao gold mine is presented . it is characterised by high mechanization degree , great capacity of slice stoping and low mining loss rate and ore dillution rate . as a result , it is suitable for the large - scale mining of low grade deposit
介紹了點(diǎn)柱式機(jī)械化分層充填采礦方法在三山島金礦的應(yīng)用，該采礦方法機(jī)械化程度高，采場(chǎng)分層生產(chǎn)能力大，兩率指標(biāo)較低，適用于低品位礦床的大規(guī)模開(kāi)采。 - It's difficult to find mining losses in a sentence. 用mining losses造句挺難的