quality protection中文什么意思

质量保护

• quality:    n. 1.质，质量；性质，特质；品质 ...
• protection:    n. 1.保护，保卫，防御，掩护，包 ...
• average quality protection:    平均品质保护; 平均品质保证; 平均 ...

例句与用法

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1. Solve problem of products quality protection for customers
   为顾客解决产品保质难题
2. Water quality protection and advances on three gorges reservoir
   三峡水库水环境保护研究及其进展
3. Average quality protection
   平均质量保护
4. Engaged in the numerical simulation , concerning the water environment planning and the water quality protection
   从事决策咨询中有关水环境规划的任务及专业咨询中若干水流及水质数值模拟计算。
5. Abstract : cross connection is inevitable in drinking water lines , so the water pollution caused by counter flow must be prevented as possible for the water quality protection
   文摘:生活饮用水管网必然存在交叉连接，有交叉连接必然存在倒流污染的危险。