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
架棚及锚网巷道中的安
进行了面分析,
出了改进方案和存问题,确保了金属前探的安。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探架棚及锚网巷道中的安进行了面分析,出了改进方案和存问题,确保了金属前探的安。
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