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支护巷道中的安全作用进行了全面分析,
出了改进方案和存在问题,确保了金属前探支护的安全作用。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护在架棚及锚支护巷道中的安全作用进行了全面分析,
出了改进方案和存在问题,确保了金属前探支护的安全作用。
声明:以上例句、词性分类均资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。