waterproof layer的用法和樣例：
例句
- No jointing work in the whole waterproof layer reduced the hidden trouble of leakage and enhanced the waterproof effect.
整個防水層無接縫施工，減少了滲漏隱患，提高防水效果。 - Lao Fang of the kitchen and bathroom water-proof layer have fallen into disrepair, anti-leakage effect has been falling.
老房的衛生間和廚房防水層已經年久失修，防滲漏效果大大下降。
