Abstract The climate of southern area is muggy and wet.It is apt to multiply chironomid larva, which is the polluted insect in the system of supplying water of the city.
南方地区气候适宜摇蚊幼虫孳生，其繁殖迅速，环境耐受力较强，经常污染城市供水系统，且很难通过
氯接触被灭活。
Abstract The climate of southern area is muggy and wet.It is apt to multiply chironomid larva, which is the polluted insect in the system of supplying water of the city.
南方地区气候适宜摇蚊幼虫孳生，其繁殖迅速，环境耐受力较强，经常污染城市供水系统，且很难通过氯接触被灭活。
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