mǎtǒng dìlòu chúfáng xiàshuǐ dǔzhù shí búyào fǎnfù chōngshuǐ huò dàoshuǐ

马桶、地漏、厨房下水堵住时，不要反复冲水或倒水。

When the toilet, floor drain, or kitchen drain is clogged, do not flush or pour water repeatedly