A new type of signaling device for mine hoists is introduced here.
介绍了一种新型的矿井提升机信号装置。
As bigger equipment in mine, mine hoists would influence the safety of the mine and person if they don't work properly.
矿井提升机作为煤矿生产的大型设备，其工作的可靠性将直接关系到人身及设备的安全。
In this paper, author presents some existing examples in physical model design for mine hoists and loaders. Analysis of improperiety and ways of correction are provided.
本文就提升机械和装载机械在模型设计中所遇到的问题，分析其错误所在及改正的方法。
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