The water backed onto the floor from the drain .
水从排水管倒流到地板上。
The drain is clogged again and there's water all over the bathroom floor.
下水道又堵了，整个浴室地面都是水。
Tradition water-sealing floor drain just separates the room space with channel by storing water.
传统水封地漏，只靠存水把居室空间和管道隔开。
Tradition water-sealing floor drain just separates the room space with channel by storing water.
传统水封地漏，只靠存水把居室空间和管道隔开。
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