checking of quality

例句：

1. 1. The engineer conducted a thorough checking of the quality of the new product.
   工程师对新产品的质量进行了彻底的检查。
2. 2.During the manufacturing process, quality checking is crucial to ensure that defects are caught early.
   在生产过程中，质量控制至关重要，以确保早期发现缺陷。
3. 3. The company implemented a rigorous quality checking system to improve customer satisfaction.
   公司实施了严格的质量检查系统，以提高客户满意度。