underlayment
英
美
网络 屋面垫层; 屋面衬料; 屋面垫层材料; 衬底; 屋面衬垫材料
COCA.45594
双语例句
- A water-resistant saturated felt underlayment is typically rolled out over the sheathing before the shingles are applied.
在安装瓦片之前，将专门把一层防水的浸油毡垫层辊平在望板上。 - Reinforcing the soft soil base with gravel underlayment
砂砾垫层加固软土地基实践
英英释义
noun
- a pad placed under a carpet
Synonym: carpet padrug padunderlay