bobbin winder

例句：

1. 1. The bobbin winder is the main part of the washing machine.
   滚筒是洗衣机的主要部分。
2. 2. This washing machine has a large capacity and can wash many clothes at once.
   这台洗衣机容量大，可以同时洗很多衣服。
3. 3. Bobbin winders are used to separate clothes by spinning them.
   滚筒是用来通过旋转分离衣物的设备。