单词：n-octane
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单词：n-octane 相关文章
What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio
发表于:2018-12-31 / 阅读(209) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest
WELLINGTON, March 23 (Xinhua) -- Fuel prices are at their highest level in nearly three years in New Zealand on Wednesday after the four main oil companies increased their prices by 3 cents. Shell, Caltex, BP and Mobil have raised the price of 91 oct
发表于:2019-02-02 / 阅读(210) / 评论(0)
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