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一九七四年,全国十一个省、自治区对我国自行研制的东方红—18型超低容量喷雾器进行了现场灭蚊试验。小面积的实验结果表明,用该机进行杀虫剂的超低容量喷洒,对蚊虫有良好的杀灭作用,特别是对蚊类幼虫。为了进一步观察使用该机进行大面积的杀虫剂超低容量喷洒的灭蚊效果,以评价其在防治蚊媒传染病中的作用,今年六——八月,在我省鹿邑县观堂公社结合疟疾防治,进行了大面积喷洒马拉硫磷杀灭中华
In 1974, eleven provinces and autonomous regions in China carried out on-site anti-mosquito tests on the Dongfanghong-18 ultra-low capacity sprayers developed by China. Small area experimental results show that using this machine for ultra-low-volume insecticide spraying has a good killing effect on mosquitoes, especially for mosquito larvae. In order to further observe the use of the machine for large area insecticide ultra-low capacity spraying mosquito effect in order to evaluate its role in the prevention and treatment of mosquito-borne diseases, June-August this year, Luyi County in our province Commune combined with malaria control, conducted a large area spraying malathion to kill China