The density of flies decreased in short time and the harm of fly was eliminated. Every index reached the standard of Central Committee of National Patriotic Health Movement after 5 years of hard work.
在短时间内降低了虫口密度，消除苍蝇危害，经过近5年努力，各项指标达到了全国爱卫会规定标准。
The density of flies decreased in short time and the harm of fly was eliminated. Every index reached the standard of Central Committee of National Patriotic Health Movement after 5 years of hard work.
在短时间内降低了虫口密度，消除苍蝇危害，经过近5年努力，各项指标达到了全国爱卫会规定标准。
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