涡轮泵是液体火箭发动机的重要组成部份。
在低温液体火箭发动机的试验中，对液体密度的测量是很重要的。
It is very important to measure liquid density in cryogenic liquid rocket engine test.
当前的可靠性增长管理方法在液体火箭发动机中的应用存在诸多问题。
There are still many problems using current reliability management method for liquid rocket engine.
当前的可靠性增长管理方法在液体火箭发动机中的应用存在诸多问题。
There are still many problems using current reliability management method for liquid rocket engine.
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