Indicate: the change of temperature and pore press will produce certain influence to the stability of roadway, especially to weak rock.
表明：温度及孔隙压力的改变会对巷道的稳定性产生一定的影响，特别是对于软弱岩体。
The paper introduces a new style of loader which universally used for heading faces with heavy saddle back in roadway and weak stability of face surrounding rock.
介绍一种新型的装载机，该机能适用于巷道底板起伏变化大，工作面围岩稳定性较差的掘进工作面中使用。
The surrounding rock of roadway is a compound structure consisted of roof, floor and sides. The sides of extraction opening are the weak coal mass, which affect the stability of floor directly.
巷道围岩是由顶板、底板、两帮组成的复合结构体，回采巷道两帮为软弱煤体，直接影响到底板的稳定性。
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