这没有发生他们没有做一个完整的故障模式影响分析(FMEA)。
That did not happen They failed to do a full Failure Mode Effects Analysis (FMEA).
分析了国内外液体火箭发机主要故障模式；
The major failure models of liquid rocket engines of foreign countries and china are analyzed.
分析了国内外液体火箭发机主要故障模式；
The major failure models of liquid rocket engines of foreign countries and china are analyzed.
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