英语词汇“pre-oiling”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pre-oiling
释义	pre-oiling pre-oiling One of the steps when installing a new or an overhauled engine in an aircraft. Lubricating oil is pumped into oil passages so that all the bearings will be flooded with oil when it is started.
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