本帖最后由 kingsnake 于 2010-4-1 10:18 编辑 & X D) S" w8 v- O
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MON Motor Octane Number. / @' ?/ }* q1 a+ D& D7 WMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.