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单词 ring-oil
释义

ring-oil

transitive verb

ˈriŋˌȯil
: to oil (a bearing) by conveying the oil to the point to be lubricated by means of a ring that rests upon and turns with the journal and dips into a reservoir containing the lubricant

Word History

Etymology

back-formation from ring oiler

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更新时间:2024/11/11 13:41:59