通过轴承、端面密封组件在液氧、液氮中的运转试验，可为发动机研制提供准确数据。
The operation tests of bearing and face seal components in LOX and liquid nitrogen provided accurate data for future engine development.
通过生产试验研究了电弧炉冶炼过程、L F精炼过程及连铸过程钢液氮的控制。
The experimental study on control of nitrogen in liquid steel during EAF melting, LF refining and continuous casting have been carried out.
最后还对这种液氮存贮器的试验结果作了分析。
At last, the paper deals with the test results of this kind of liquid-nitrogen storage.
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