饮用水净化
drinking water purification
tap water purification
drinking-water purification
Drinking water treatment
purification of drinking water
多功能饮水净化器
multi-functional drinking-water purifier
multiple function drinking-water cleaner
集中式饮用水水源地
water source area of centralized drinking water
水库型饮用水水源保护区
reservoir drinking-water protected area
饮用净水技术改造
technical reconstruction for drinking water treatment
饮用净水消毒
disinfection of purified drinking water
饮用水水源
Drinking water sources
water source
raw water for drinking water supply
drinking source water
Drinking water source
饮用水水源保护区
Protected region of drinking water source
饮用水水源地
Source of drinking water
Drinking water source
drinking water source area
drinking water sources zone
security situation
drinking water resource
drinking water well fields
site of drinking water source
Source areas of drinking water
Drinking water sources
the drinking water supply
饮用水水质
Drinking water quality
quality of drinking water
Daily drinking water
饮用水水质安全
Drinking water quality safety
饮用水水质标准
standard for drinking water quality