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单词
heavy oil
释义
heavy oil
heavy oil
n
(Chemistry) a hydrocarbon mixture, heavier than water, distilled from coal tar
heavy oil
heavy oil
[
′hev·ē ′ȯil
]
(materials)
The high-boiling, relatively viscous fractions of petroleum or coal tar oils.
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更新时间:2025/10/16 19:11:45