对流层落尘
tropospheric fallout
tropospheric fall-out
放射落尘
radioactive fallout
alkali absorption method
放射性落尘
radioactive follout
radioactive fallout
radioactive fall-out
放射性落尘物质
Material
fall-out radioactive
辐射[落]尘
radioactive fall-out
radioactive rainout
近距落尘
closed-in fallout
close-in fallout
closed fallout
close-in fall-out
落尘风
fallout winds
fallout wind