存水弯
cún​shuǐ​wān

trap

  • created sense approved 存水弯/存水彎 · cún​shuǐ​wān · trap

    存水弯 / 存水彎

    cún​shuǐ​wān

    trap

    a curved section of plumbing pipe such as a U-bend designed to hold water and prevent sewer gases from entering a building

    为了防止下水道异味进入室内，洗手盆下面安装了存水弯。

    created sense