图31管道1虽直抵屋沿，但管道太细，大雨走水不会畅顺，不象下水管道。另外可以看到有电线向右侧分。

来源: 无牙于 2026-03-14 10:32:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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