Warning: file_put_contents(): Only 0 of 6445 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/oclz.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_菜篮子兴趣思朗文词典
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