quality assurance system

• 质量保证体系

quality assurance system的用法和样例：

例句

1. Our engineering and quality assurance system guarantees your satisfaction.
   我们的工程技术和质量保证体系，保证您的满意。
2. Be responsible for the establishment and maintenance of the quality assurance system for purchased products.
   负责建立并保持采购产品的质量保证体系。