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It may be that the ground waterproofing is not done well, and the doors and windows are not closed properly, and the long-term water accumulation in the house is caused. Buy a bottle of Yuhong Speedk protective liquid, spray it on the tile joint, and it won't leak again next time.
This should be considered whether it is a problem with the design of the toilet itself, and the old design toilet will splash when it is flushed.
The faucet is plugged, cut off the faucet and wash the clogged sand inside before putting it on.
The floor drain pipe is passed first, which is generally connected to the toilet pipe, and I don't know if the external pipe valve may be broken.
The whole house custom furniture can be customized in one stop according to the decoration style, space location, personal living habits and hobbies, saving time and effort, beautiful and practical!