double sided coating

例句：

1. 1. The new paint has adouble sided coating that makes it easyto clean and maintain.
   这种新的油漆有双面涂层，使得清洁和维护变得容易。
2. 2. Thedouble sided coating protects the surfacefrom scratches and wear.
   双面涂层保护表面免受刮擦和磨损。
3. 3. The manufacturer claimsthat their product has a double sidedcoating that is environmentally friendly.
   制造商声称他们的产品有双面涂层，是环保的。