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单词
asphaltene
释义
asphaltene
asphaltene
[
a′sfȯl‚tēn
]
(materials)
Any of the dark, solid constituents of crude oils and other bitumens which are soluble in carbon disulfide but insoluble in paraffin naphthas; they hold most of the organic constituents of bitumens.
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更新时间:2025/8/14 15:42:05