氧气;
The successful introduction of locomotive air oxygen technology, oxygen generator oxygen gas output up to 90 %.
机车成功的引入航空制氧机技术, 制氧机输出的气体氧气含量高达90%以上.
Some electron donor was oxidized to yield oxygen gas.
某些电子供体被氧化产生氧气.
The remaining two oxygen atoms form oxygen gas.
剩下的二个氧原子形成氧气.
These atoms recombine in pairs during the night to form molecules of oxygen gas.
在夜间,这些氧原子再成对地结合成氧气分子.
Air and oxygen gas were selected as gas mediums.
空气和氧气气体被选择了当气体媒介.
Ozone is a highly reactive form of oxygen gas.
臭氧是一种非常活跃的氧气形态。
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