pin cropping machine

例句：

1. 1. This pincropping machine is very useful for cuttingthrough thick fabrics.
   这台打孔机对于切割厚布料非常有用。
2. 2. Thefarmer used this pin cropping machine toquickly remove weeds from his fields.
   农民使用这台打孔机快速地从他的田地里除去杂草。
3. 3. Thepin cropping machine has become a populartool in modern agriculture.
   打孔机已经成为现代农业中一种受欢迎的工具。