... 美国大豆委员会 soybean council of america 爱国卫生运动委员会 committee of patriotic health movement 比利时难民运动委员会 belgian committee for the refugee campaign ...
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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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