Two large tanks in the service module held liquid oxygen.
服务舱的两个大气瓶中装有液态氧。
The liquid level accurate measurement of 1iquid hydrogen, liquid oxygen and liquid nitrogen stored in cryogenic tanks has became a key problem to be solved.
在低温贮罐内贮存液氢、液氧、液氮，液住的精确测量是非常重要的。
The liquid level accurate measurement of 1iquid hydrogen, liquid oxygen and liquid nitrogen stored in cryogenic tanks has became a key problem to be solved.
在低温贮罐内贮存液氢、液氧、液氮，液住的精确测量是非常重要的。
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