road oil
North American
noun
A heavy oil containing asphalt, used especially in laying dust and as a binding and waterproofing material in road construction.
Origin
Early 20th century.
| 单词 | road oil |
| 释义 | road oilNorth American noun A heavy oil containing asphalt, used especially in laying dust and as a binding and waterproofing material in road construction. Origin |
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