water qudity standard

• 水质标准

water qudity standard的用法和样例：

例句

1. Many areas are short of water that meets the standard.
   在许多地区符合水质标准的水短缺。
2. Adopt Internal Control Standards, which are stricter than Water Quality Standard.
   采较水质标准严格的内控标准进行内部管控。