防水层

fángshuǐcéng

防水层 — fángshuǐcéng

1. a waterproof layer; waterproofing membrane used to prevent water penetration in buildings and structures

   建筑的屋顶需要安装防水层以防漏水。 jiànzhù de wūdǐng xūyào ānzhuāng fángshuǐcéng yǐfáng lòushuǐ — The building's roof needs a waterproof layer to prevent leaks.