题目内容

吊引擎时,若不慎将冷气软管拉破,则软管换新后,必须()

A. 灌冷媒
B. 充入高压气体
C. 抽真空
D. 测量高、低压力
E. 使用漏气探测器检查
F. 以上皆要

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A. The archived redo log files will be overwritten.
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C. The archived redo log files should be moved to some other location.
D. The archived redo log files are still maintained because the file names are unique.

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