plastic doors and windows的用法和樣例：
例句
- Plastic doors and windows together with good mental components and glass fasteners leave no room for thieves.
塑料門窗，配置優良金屬構件，窗內設計裝玻璃卡條，使偷盜者束手無策。 - The invention belongs to the plastic profile product processing technical field and discloses a plastic window and door profile and the preparation method.
本發明屬於塑料型材製品加工技術領域，公開了一種塑料門窗型材及其製備方法。
