hammer rating

例句：

1. 1. The manufacturer has to meet the hammer rating requirements for the product to be sold in the market.
   制造商必须满足产品在市场上销售的锤击等级要求。
2. 2.The company is conducting a hammer testing on their new product to ensure it meets the hammer rating standards.
   该公司正在对其新产品进行锤击测试，以确保其符合锤击等级标准。
3. 3. The hammer rating is an important factor in determining the durability of a material.
   锤击等级是决定材料耐用性的一个重要因素。