quality certificate system的用法和樣例：
例句
- Our engineering and quality assurance system guarantees your satisfaction.
我們的工程技術(shù)和質(zhì)量保證體系，保證您的滿(mǎn)意。 - A quality certification system and quality-monitoring framework with regard to family planning should also be established.
建立計劃生育服務(wù)質(zhì)量保證體系和質(zhì)量監測體系。
