本帖最后由 kingsnake 于 2010-4-1 10:18 编辑 8 x3 t) K- ?1 Z# M
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MON Motor Octane Number. # a8 Q$ p8 A- z+ L% h- j
Measure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.