煤矿

Especially, when local fans are unwatched, it will bring coal mine potential safety hazard.

目前，对于3.3kV供电的高产高效综合机械化采煤工作面，根据采煤方法的要求，与其配套的掘进方式是三条巷道同时推进，共需六台对旋式局部风机进行掘进通风，三台运行，三台备用，由于设备数量多、占地面积大、连接复杂，故障率较高，频繁引起巷道内"无计划"停电停风，造成瓦斯积聚，特别是在无人值守时，很容易给煤矿的安全生产带来重大隐患。

A CommenceAujourd'hui, shot in a bleak, red-brick town also near Valenciennes.

萌芽》以瓦朗西昂周围暗淡的煤矿为背景，而《稚子骄阳》是在瓦朗西昂附近一个荒凉的，红砖小镇取景。

Pillar-retreat mining is a variation of the room-and-pillar method, where the mine is developed in similar fashion.

支柱撤退采矿是一个变异的房柱式方法，如煤矿，是发达国家以类似的方式。

They are ventilating the sap of a coal mine.

他们正在使煤矿坑道通风。

The working principle of the ventilator is presented and increases the method of the ventilator life.

介绍了煤矿通风机的工作原理及提高使用通风机寿命的方法。

The paper analyses the existing problems of joint vulcanization technique of heavy belt and puts forward the solution.

对目前煤矿使用的钢丝绳芯胶带输送机的胶带热补工艺存在的问题进行了分析，提出了解决办法。

Sheng Ping has a production capacity of 600,000 tons per annum and its own coal washery facility to produce Clean Coke used primarily to manufacture iron and steel.

现时升平煤矿每年产量达600，000吨，其洗煤设施能够生产主要用作制造铁和钢的洗精煤。

Mine weighs 14 ounces, and I've used it on week-long trips.

煤矿重14盎司，我用它在为期一周的旅行。

The paper introduced a method about data collecting and management of coal weighbridge based on CAN bus and its realizing process.

介绍了一种基于CAN总线的煤矿地磅数据采集、管理的方法及实现过程。

For the weighbridge used in coal mine is lower precision and is interfered by people easily, a management system of coal transportation and sale was designed in the paper.

针对现在部分煤矿仍采用机械式地上衡而造成精度低、人为因素多的情况，设计了一套煤炭运销管理系统。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。