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.
Ozone is a highly reactive form of oxygen gas.
臭氧是一种非常活跃的氧气形态。
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.
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.
The remaining two oxygen atoms form oxygen gas.
剩下的二个氧原子形成氧气.
Some electron donor was oxidized to yield oxygen gas.
某些电子供体被氧化产生氧气.
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