Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护
及锚网支护巷道中
作用进行了面分析,
出了改进方案和存问题,确保了金属前探支护作用。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护及锚网支护巷道中作用进行了面分析,出了改进方案和存问题,确保了金属前探支护作用。
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