recreational water的意思|示意
再生加工用水，文娱场所用水
recreational water相关短语
1、 recreational water test 改水试验
2、 Recreational Water Quality Criteria 娱乐用水水质基准
3、 recreational use of water 休养用水
4、 Recreational and environmental water 景观环境用水
5、 Water disinfection water recreational facilities 水上娱乐设施用水消毒