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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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dmcua
dmcv
dmcvb
dmcvc
dmcw
dmcyfe
dm+d
dmd
dmda
dmda2
dmdac
dmdb
dmd/bmd
dmdc
dmd cd
dmdcnqi
dmdc support office
dmdd
dmde
dmdee
dmdes
dmdf
dm-dfb
dmdg
dmdgs
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更新时间:2025/11/30 9:17:35