quality control circle

例句：

1. 1. The company hasimplemented a quality control circle to ensure productconsistency.
   该公司已实施一个质量控制圈以确保产品一致性。
2. 2. The engineers formed a quality controlcircle to improve efficiency.
   工程师们组成了一个质量控制圈以提高效率。
3. 3. The quality control circle wasresponsible for monitoring the production process and ensuringquality standards were met.
   质量控制圈负责监控生产过程并确保达到质量标准。