grain hardness tester

例句：

1. 1. This grain hardness testeris very useful for testing the quality ofwheat.
   这个谷物硬度测试仪对于测试小麦的质量非常有用。
2. 2. The grain hardness tester can quickly determine the moisture content ofgrains.
   谷物硬度测试仪可以快速确定谷物的水分含量。
3. 3. The grain hardnesstester is essential for ensuring the qualityof grains before they are processed.
   谷物硬度测试仪对于确保粮食在加工前的质量至关重要。