The toilet has a sinking bay and a stench

Generally, you don't go back to the capital, but it's easy to have some peculiar smells in the summer downstairs.

It should be brought, if you don't bring a sinking bay, it will go up and return to the smell, and there is a sinking bay is not necessarily not smelly, the main thing is that the seal should be good!

Biogas, this is because of the pipeline, the pipeline design is not good enough.

Find someone who specializes in getting into the water to give you through, this must require professional knowledge, and it's best not to get it without professional knowledge, so as not to add trouble to yourself.

The squatting toilet is the most suitable, and now it is fashionable not to put the toilet, but to use the squatting toilet instead of the toilet, which can remove the excess water in the toilet in time and eliminate the odor.