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--- news (3/21/2012)



简单计算一下,换成加仑单价:3。79 * 7。94 = 30 元/加仑

以1美元=6。32RMB计算,30 元/加仑 = $4。75/加仑

中国的汽油标号93为Research Octane Number (RON). 也是most common type of octane rating worldwide 。
美国用的是一种average of the RON and the MON, called the Anti-Knock Index (AKI, and often written on pumps as (R+M)/2). It may also sometimes be called the Pump Octane Number (PON).其中 MON=Motor Octane Number 。

RON 91-92 和 AKI 87 比较接近。

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