What's wrong with the main sewer

Maybe it's because the impact of water is too great when launching. According to the information on the relevant official website, it shows that the main line flushing is too strong, and the pipeline flushing will be misplaced. If the sewer pipe in the bathroom is misplaced, it needs to be reconnected, and the misplaced pipe can be reinstalled according to the correct installation steps. If it is serious, it is recommended to find a professional to handle it. For specific information, please consult relevant departments for first-hand authoritative information.