atmospheric air meaning in English

大气空气

Atmospheric air - test dust standard sample - fly ash
大气试验粉尘标准样品煤飞灰
Atmospheric air - test dust standard sample - loess dust
大气试验粉尘标准样品黄土尘
With each piston stroke , a small quantity of atmospheric air or gas is pumped into the discharge air vessels
在活塞的每个冲程中，将少量的空气或气体输送到空气槽内。
Air pollution . nitrogen dioxide content of atmospheric air . method of determination by collection on a triethanolamine - impregnated filter
空气污染.大气中二氧化氮含量的测定.用三乙醇胺浸渍的过滤器收集取样的测定方法
Oxygen is produced by an air separation unit ( asu ) through liquefaction of atmospheric air and separation of the oxygen by continuous cryogenic distillation
氧的生产使用空气分离装置（ asu ），通过大气的液化和连续低温蒸馏分离出氧。

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