煤矿矿井水是一种重要的水资源。
营救人员牵挂着被困在煤矿井中的那些人的安全。
Rescuers are concerned for the safety of those trapped in the coal mine.
安装煤矿井下。
为了实现煤矿安全生产，各矿必须建立稳定的矿井通风系统。
In order to realize safety production in coal mine, ventilation system must be set up.
介绍了煤矿井下设置保护接地网的原因及重要性。
The reasons and importance of setting underground protective grounding net to coal mine are introduced.
国家对煤矿井下作业的职工采取特殊保护措施。
The State shall take special protective measures for miners working in underground coal mines.
岱河煤矿是衰老矿井，由于受采场限制，常常出现没有时间装面的情况。
As Daihe Coal Mine stope and often face a lack of time for the equipment.
搞好煤矿安全及质量标准化，提高矿井安全可靠性。
If doing well in mine safe and quality level, we can raise mine safe reliability.
李家洼煤矿的单矿井并非秘密。
介绍了这种装置在煤矿井下转弯巷道中的使用情况。
Describes the use of the device in coal mine roadway turning.
为降低矿井事故发生率、确保煤矿安全生产提供了保障。
Provided guarantee to reduce mine accident incidence and ensure coal mine safety production.
祁南煤矿是一个自然条件复杂的大型矿井。
Qinan Coal mine is a large mine with complicated natural conditions.
目的了解煤矿井下作业噪声危害现状，探讨防治对策。
Noise hazard of coal mine operation is serious, and needs comprehensive control.
探讨煤矿井下爆炸性眼外伤的治疗方法。
To investigate the therapy of explosive ocular trauma inside the coal mine.
目的：探讨煤矿井下矿工骨代谢变化。
Objective: To study the changes of bone metabolism in the underground coal miners.
介绍了一种适用于煤矿井下使用的智能馈电状态传感器。
An intelligent sensor of feed state used in underground mine was introduced.
煤矿井下低压供电系统及装备。通用安全技术要求。
General requirements of safety and technical for underground coal mine. loW voltage power sup...
乡镇煤矿资源回收率低，严重缩短了矿井的服务年限。
It has been shortening the service life of mines because of their low recovery ratio.
矿井瓦斯灾害与防治是煤矿生产面临的重大难题。
Disaster and prevention of gas is the major challenge of coal mine production faced.
国家对煤矿井下作业的职工采取特殊保护措施。
The state shall adopt special protective measures for workers operating in the pit.
矿图是煤矿生产的重要技术基础资料，也是矿井地质工作的主要成果。
The blueprint is the basic data and the main achievement of mine.
在煤矿井下的排水系统中，需要多台排水泵协调地工作。
Mechanics research on chief draining pump cavitation damage in coal mine;
矿井提升机是煤矿中最重要的设备，其可靠性十分重要。
Hoist is a key equipment in mine, its reliability is very important.
矿井提升机是煤矿中最重要的设备，其可靠性十分重要。
Hoist is a key equipment in mine, its reliability is very important.
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