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Agree with the statement of the submersible bend, what you are doing is not right, the sewage pipe cannot be connected to the waste pipe, and the water from the toilet is not allowed to flow into the sewage pipe
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Agree with the statement of the submersible bend, what you are doing is not right, the sewage pipe cannot be connected to the waste pipe, and the water from the toilet is not allowed to flow into the sewage pipe