bag sampler

例句：

1. 1. The bag sampler is used to test the quality of bags before they are sent out for sale.
   袋子样本机用于测试袋子在出售前的质量。
2. 2.The bag sampler was invented by a man who wanted to improve the quality of bags.
   袋子样本机是由一位想要提高袋子质量的人发明的。
3. 3. The bag sampler helps manufacturers to ensure that their bags meet the required standards.
   袋子样本机帮助制造商确保他们的袋子符合所需的标准。