A small former mining settlement in the Midlands, Bedworth also lacks a radio station.
Bed worth地处英国中部,曾经是一个小型的采矿村落。那里没有电台。
A jumbled collection of lazily floating asteroids, Polis Massa is a small Outer Rim mining settlement far removed from the more populated areas of the galaxy.
波利斯·马萨是外环一个小型矿业定居点,由一群缓慢漂浮的杂乱小行星构成,远离银河系人口更稠密的地区。
This paper introduced successful experience in full-mechanized caving mining under soft sand aquifer and settlement approach of related problems in Tiebei Colliery.
介绍了铁北煤矿在松软砂岩含水层下研究应用综放开采技术取得成功的做法及相关问题解决的途径。
Based on the cases of high sulphide deposit mining with VCR method in home and abroad, the paper has discussed the causes of the above-mentioned problems and the approaches for their settlement.
本文根据国内外VCR回采高硫矿床的情况,论述了上述问题产生的原因和解决的途径。
Discussed rock mass gravity collapse mechanism caused by under ground and overburden failure and surface settlement disaster, offered some underground mining and surface protective measures.
论述了地下矿层开采引起的岩体重力变形机理和造成的覆岩破坏、地表沉陷等灾害,提出了井下开采和井上防护的技术措施。
Wallking aids can save labor force, decrease safety accident. It is a good settlement for conveying people in mining slope transportation.
安装使用斜巷助行器,可有效地降低职工体力消耗,提高工效,减少人身事故发生,为矿井斜巷运输安全奠定基础。
Wallking aids can save labor force, decrease safety accident. It is a good settlement for conveying people in mining slope transportation.
安装使用斜巷助行器,可有效地降低职工体力消耗,提高工效,减少人身事故发生,为矿井斜巷运输安全奠定基础。
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