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字典帮 >教育工具 >英语词汇“oil、ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮
2025-07-21

“oil-ring”的英英意思

单词 oil-ring
释义 oil-ring
a. In Seal-engraving, a ring with a small dish on top to hold a mixture of oil and diamond-dust; it is worn on the forefinger of the workman, and the wheel is allowed to rotate in the dish to replenish the engraving-tool.
b. In Machinery, a ring surrounding and riding upon a journal, etc., which, whilst revolving, it continuously lubricates by raising oil from a reservoir in which it dips.
1900Mod. Cat. Electr. Co., Dissected Dynamo..Oil cock, Oil hole cover, Journal box, Oil ring.
“oil-ring”的英英意思

 

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