automatic doffer

例句：

1. 1. The automatic doffer isdesigned to automatically feed the machine with materials.
   自动下料器设计为自动将物料喂给机器。
2. 2. The automatic doffer hasgreatly improved the efficiency of the production line.
   自动下料器大大提高了生产线的效率。
3. 3. Theautomatic doffer was installed in our factoryto replace the manual feeding system.
   我们在工厂安装了自动下料器来替换手动喂料系统。