free-pouring mining explosive 自由灌注的矿用炸药
non-explosive mining 无爆破采矿
coal-mining permissible explosive 煤矿许用
explosive ore-handling mining 爆力运矿采矿法
In this paper, an efficient and suitable testing method for evaluating the safety properties of the BMH bulk safety explosive for sulphide ore mining is presented.
本文介绍的是一种对BMH型硫化矿用散装安全炸药的研究非常有效、适用的安全性能检测方法。
When mining coal in mine, danger of inflammable explosive damp exists all along, once damp explosion accident occur, normally, it can cause disastrous consequence.
在井下煤炭开采过程中,易燃易爆气体瓦斯危害始终存在,而瓦斯爆炸事故一旦发生,一般会造成灾难性的后果。
With an explosive increase in global information, data mining technique has been a focus of the new century computer science and technology research.
随着全球信息量的爆炸式的增长,数据挖掘技术已成为新世纪计算机科学技术的研究热点。
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