2) go down the pit,ie work as a miner
下井(做矿工).
3) underground mine construction quality trouble
井下矿建工程
4) Underground well
井下矿井
5) coal mine underground
煤矿井下
1.
Study on scheme of IF mobile communication in coal mine underground;
煤矿井下中频移动通信技术方案研究
2.
The status of mobile communication in coal mine underground is introduced, the difficult technical problems including laneway infection for wireless transmission and weak signal reception and noise interference are analyzed, and ways to solve these problems are proposed.
介绍了我国煤矿井下移动通信现状,分析了技术上的难题-巷道对无线传输的影响、弱信号接收和井下环境噪声干扰,提出了解决途径。
3.
To solve the problem of frequent over-grade trip of fast short-circuit protection in high voltage power supply system of coal mine underground,a scheme of adaptive protection system based on independent substation was proposed.
针对煤矿井下高压供电系统速断保护经常越级跳闸的问题,提出了一种基于独立分站的自适应保护系统方案。
6) underground mine
井下矿
1.
The characteristics and problems of different persons appearing in safe operation management of underground mine are analyzed.
针对构成井下矿山整体中的不同人员在安全生产管理中所反映出的问题加以分析,采取不同的管理方法,以保证井下矿山安全生产管理有序高效地进行。
2.
Based on measurement and analysis of blasting vibration of surface mine and underground mine, all-round and scientific criteria of blasti ng safety are suggested.
通过对露天矿和井下矿的爆破振动的测试分析 ,提出了比较全面、科学的爆破振动安全判据建议标准。
3.
The mining system of an underground mine is a large and complicated one that consumes huge amount of water.
利用井下矿地下涌水作为矿山生产用水水源 ,在矿井排水与生产供水之间建立循环系统 ,不但合理地利用了水资源 ,节约了矿山生产新水给水 ,而且减少了大量投资 ,使矿山生产成本也随之大幅度降低 ,收到了很好的效益。
补充资料：坦克维修工程车(见坦克保养工程车、坦克修理工程车)
坦克维修工程车(见坦克保养工程车、坦克修理工程车)
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条