Last night, a colliery was attacked by a gang of men.
昨天晚上，一座煤矿被一伙人给攻击了。
It is tightly related to network of information technology in colliery safety.
这与我国煤矿安全信息技术的网络化程度不高密切相关。
The device improves the security of the colliery power distribution system greatly.
该装置可大大提高煤矿供电系统的安全可靠性。
This paper is mainly introduce the experience bring the equipment into colliery construct.
本文主要介绍该设备引进煤矿平巷施工的经验。
This paper is mainly introduce the experience bring the equipment into colliery construct.
本文主要介绍该设备引进煤矿平巷施工的经验。
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