shell-destroying device

例句：

1. 1. This device is designed to destroy the shell of insects.
   这个设备被设计用来破坏昆虫的外壳。
2. 2. The shell-destroying device was used in the factory to break down large pieces of metal.
   工厂里使用这种破壳装置来破碎金属大块。
3. 3. The shell-destroying device has been proven to be very effective in pest control.
   这种破壳装置在害虫控制方面已被证明非常有效。