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| aircraft engine emission (The formation and discharge of gaseous and particulate pollutants into the environment, especially the stratosphere, chiefly from airplanes, helicopters and other high-altitude aircrafts; Образование и выброс в окружающую среду загрязняющих веществ в виде газа или частиц, особенно в стратосферу, главным образом, самолетами, вертолетами и другими аппаратами, летающими на большой высоте) | |||
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