protection of water sources
... 给水水源water sources 水源保护protection of water sources 城市给水系统water supply system ...
the protection of sources of drinking water
water protection zone
water source conservation areas ; protection zone of water source ; waterconservationdistrict ; Drinking Water Protected Areas
水源保护是指保护给水水源不受污染的各种措施。是对江、河等水体上游(或源头)地区周围环境的保护。其目的是为了保蓄和增加上游清洁用水量,使下游有足够的清水径流下泄,提高下游水体对污染物的推移、稀释、扩散能力。