该系统为矿井提升机的安全运行和高效运行提供了可靠保障。
This device provides reliable guarantee for safety and high effect run of mine hoist safeguard device.
对地方煤矿目前的生产状况进行了分析，对地方煤矿建设高产高效矿井的方法进行了分析和探讨。
This paper not only analyses the present conditions of the mines but also analyses and discusses the means to increase the hi-productivity and efficiency in mines.
采煤机是综采工作面生产原煤和实现高产高效矿井的主要设备。
The homemade shearer is a main implement equipment of mine of high yield and efficiency in working face of production coal.
矿井水害是影响和威胁中国煤矿安全、高效生产的主要因素之一。
Mine water disaster is one of the main factors which affects and threatens the safety and high-activity yield of coal mine in China.
根据矿井生产能力和煤层赋存状况，采用工作面装备大功率设备，实现矿井高产高效。
According to present situation about the ability of yield and richness of coal storage, our mining district will be equipped with higher power facilities within working area.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
在系统的实现上，采用了多种技术相结合的方法，对保证矿井提升机安全、高效和经济运行具有重要意义。
In the practices of the system, multi technologies combined method are adopted, which coumd be important meanings to ensure …
在系统的实现上，采用了多种技术相结合的方法，对保证矿井提升机安全、高效和经济运行具有重要意义。
In the practices of the system, multi technologies combined method are adopted, which coumd be important meanings to ensure …
应用推荐