多少取决系统设计与压力流量有关。自来水常压下10尺间距常见。老房地下水可能需要泵。如自来水找喷头不易可重新布管道喷头。

来源: IEbird 于 2026-02-18 17:04:53 [旧帖] [给我悄悄话] 本文已被阅读：次

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