friction winder

例句：

1. 1. Thefriction winder is a common problem inthe winter.
   摩擦窗是冬天的常见问题。
2. 2. Thefriction winder can reduce heat loss andimprove energy efficiency.
   摩擦窗可以减少热量损失，提高能源效率。
3. 3. The friction winder isdesigned to protect the interior from dust anddebris.
   摩擦窗设计用来保护室内免受灰尘和碎片的侵害。