存水弯 cúnshuǐwān plumbing trap Definitions Defs Origin Strokes Stroke Words Sentences Sents 存水弯 存水彎 cúnshuǐwān plumbing trap a curved section of pipe that holds water to prevent sewer gases from entering a building; also called a U-bend
存水弯 存水彎 cúnshuǐwān plumbing trap a curved section of pipe that holds water to prevent sewer gases from entering a building; also called a U-bend
