cereal testing machine

例句：

1. 1. The cereal testing machine is usedto analyze the quality of grains.
   谷物测试机用于分析谷物的质量。
2. 2. The cerealtesting machine was developed to improve the accuracyof grain classification.
   谷物测试机的开发旨在提高谷物分类的准确性。
3. 3. The cereal testing machinehas become an essential tool for farmers ingrain quality control.
   谷物测试机已成为农民在粮食质量控制中不可或缺的工具。