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Yes, use a wooden board to support the bottom under the floor slab, and then block it with expanded cement, you must use expanded cement, ordinary cement has a certain shrinkage when it solidifies, and then make a plugging ring around the water pipe, and the bricklayer master should know how to do it.
It is also possible to be 1 cm above the floor tile surface, and the bottom of the toilet is flat as a whole.
The sewer is 110 pipes, and the water inlet depends on the water phase
Hello, you can go to the sanitary bath shop or the ceramic city, the building materials market and other places where you can find squatting toilets.
No, get on the tuba and wash your butt.
If the water is not satisfied, the drain door is not reset or closed tightly, and if the water is full, it leaks, the water level adjusted by the inlet door is too high or cannot be closed.