Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护在架棚及锚网支护巷道中
全作用进行了全面分析,提出了改进方案和存在问题,确保了金属前探支护全作用。
木桩超前支架；打桩以防泥土崩落Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护在架棚及锚网支护巷道中全作用进行了全面分析,提出了改进方案和存在问题,确保了金属前探支护全作用。
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