Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/e46493faef693cbb20f268bf82f10fd2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 octane rating英英字典_octane rating剑桥英语解释_octane rating柯林斯英文解释_绍翊字体网有道词典
1. N a measure of the quality of a petrol expressed as the percentage of isooctane in a mixture of isooctane and n-heptane that gives a fuel with the same antiknock qualities as the given petrol 辛烷值