- lubricated ring
- 油钢领
English-Chinese lightIndusrty dictionary (英汉轻工业大词典). 2013.
English-Chinese lightIndusrty dictionary (英汉轻工业大词典). 2013.
ring-oil — ˈriŋˌȯil transitive verb Etymology: back formation from ring oiler : 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… … Useful english dictionary
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