The factor that affect the well lane stability has primarily: Round the rock kind, well lane position, tunnel stalk line direction, cross section size, break rock method etc.
影响井巷稳定性的因素主要有：围岩性质、井巷位置、巷道轴线方向，断面尺寸，破岩方法等。
The factor that affect the well lane stability has primarily: Round the rock kind, well lane position, tunnel stalk line direction, cross section size, break rock method etc.
影响井巷稳定性的因素主要有：围岩性质、井巷位置、巷道轴线方向，断面尺寸，破岩方法等。
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