standard hardness tester

例句：

1. 1.The new product is designed to meet the standards of quality.
   这款新产品的设计旨在达到质量标准。
2. 2.The company has set strict standards for its employees.
   该公司对员工设定了严格的标准。
3. 3.The standard of living in this area is higher than in other parts of the country.
   这个地区的生活水平高于国家其他地区。
4. 1.The metal is very hardness, which makes it difficult to cut.
   这种金属非常坚硬，难以切割。
5. 2.The steel is hardness, but it can be easily tempered.
   这种钢很硬，但可以很容易地经过热处理。
6. 3. The material is hardness, so it needs to be handled with care.
   这种材料很硬，所以需要小心处理。