系统继续不稳固的运行。
我的支持系统感觉不稳固。
本文介绍了金厂峪金矿副并提升系统改造概况和在破碎不稳固的近地表岩体中开挖卷扬机硐室获得成功的经验。
This paper presents the transformation situation of the hoist system for service shaft and the successful experience of driving hoist room in the break and unstable rock mass near to surface.
The system continues to look more precarious.
系统继续不稳固的运行。
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