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This may be that you didn't install it properly during the installation process, and then it was directly washed away when you flushed it.
The siphon is clogged.
Dredging is very troublesome, I use the Wrigley bathroom, the same problem. >>>More
I saw that some netizens also had such a situation on the Qijia network, and the merchants of Qijia explained it like this: >>>More
If it's placed right and fits just right, it won't get in the way.
Don't throw insoluble toilet paper and handkerchief paper into the toilet, it will be blocked after a long time, you should use Rinoco flushing toilet paper, flush it for 2 seconds to dissolve, never block the sewer, there may not be a second in China.
He's, and there's no such thing as a top gas when the location is appropriate.