open cabinet door to see how the drain looks like.

来源: borisg 于 2021-02-20 02:47:44 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 次 (141 bytes)
回答: 厨房下水道返水 由 飞飞54321 于 2021-02-19 19:13:45

It should be a Y shaped pipe that connects to both basin at top.

I would be surprised that they use separate drains.

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