情况是一值开着,而软管会慢慢漏水,室内用水后,水借劲冲向软管,为了保护管道龙头压力阀也会打开释放些水。
情况是一值开着,而软管会慢慢漏水,室内用水后,水借劲冲向软管,为了保护管道龙头压力阀也会打开释放些水。
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