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
架棚及锚网支护巷道中的安
进行了面分析,
出了改进方案和
题,确保了金属前探支护的安。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护架棚及锚网支护巷道中的安进行了面分析,出了改进方案和题,确保了金属前探支护的安。
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