这个关于飞机喷洒化学药剂的问题，当他们就像余下的我们一样暴露在外时他们这样做？
This question about chemtrails, Why would they do that when they’re exposed just like the rest of us are?
温伍德之所以能成功控制蚊虫，是通过飞机喷洒两种灭蚊剂的结果，但当地不应放松警惕。
Wynwood has been able to successfully control the mosquitoes because of aerial spraying of two kinds of mosquito insecticide, but the area should not relax its vigilance.
通过田间试验研究，探索了装配GP—81喷头的运五型飞机喷洒2，4—D丁酯乳油稀释液的雾滴漂移状况，建立了有关数学模型。
The drift of droplets in spraying diluted 2,4-D butyl ester emulsion by Yun-5 aircraft mounted the GP-81 nozzle has been studied, and a mathematical model has also been set up in this paper.
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