- 调和: be in harmonious proportion
- 曲线: curve; curved line
- 调和辛烷值: blending rating
- 调合辛烷值曲线: blending octane curve
- 辛烷值: (ron) research octane number; antiknock value; astm octane number; knock rating; o.n. octane number; oct. octane number; octance value; octane grade; octane number(= octane rating); octane rating (= octane number); octane ratio; octane value; on octance number; onr octane number rating; value
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