Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
对金属前探支护
架棚及锚网支护巷道中的
全作用进行了全面分析,提出了改进方案和存
,确保了金属前探支护的全作用。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
对金属前探支护架棚及锚网支护巷道中的全作用进行了全面分析,提出了改进方案和存,确保了金属前探支护的全作用。
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