河北快3走势图

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管道疏通注意事项

2016-08-23 11:15:23      点击:

地下的管道都是内部空间很狭小,空气流动缓慢,就有可能存在大量的易燃易爆和有毒有害的气体,也可能藏有一些其他的小动物,所以在进行管道清淤疏通河北快3走势图之前和之中一定要注意安全的操作步骤以及关注一些注意事项。特别是施工人员进入管道时一定要遵守安全守则,保护自己的人身安全。为大家分享有关的几个注意方面:

方法/步骤

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