发布时间:2025-01-19 19:42:55
在高层建筑给水系统中,目前普遍采用变频调速的泵,变频调速自动供水设备,一般指无负压变频供水设备,根据用户用水量变化来调节水泵转速,使水泵始终工作在高效区,节能节电效果显著。
长沙一小区地下室承重墙被破坏承重墙在一栋楼中起到了怎样的重要作用
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