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
在架
网巷道中
安全作用进行了全面分析,
出了改进方案和存在问题,确保了金属前探安全作用。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探在架网巷道中安全作用进行了全面分析,出了改进方案和存在问题,确保了金属前探安全作用。
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