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单词 octane scale
释义 octane scale
[`äk´tān ´skāl]
ENGINEERING
Series of arbitrary numbers from 0 to 120.3 used to rate the octane number of a gasoline; n-heptane is 0 octane, isooctane is 100, and isooctane + 6 milliliters TEL (tetraethyllead) is 120.3.
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