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关注：1
2013-05-23 12:21
求翻译：Crew was unable to satisfactorily demonstrate No. 2 ballast pump which serves as one of the two required independently driven fire pumps. During the operational test, the PSCO observed excessive leaking from the pump due to substantial deterioration.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Crew was unable to satisfactorily demonstrate No. 2 ballast pump which serves as one of the two required independently driven fire pumps. During the operational test, the PSCO observed excessive leaking from the pump due to substantial deterioration.
问题补充： |
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