我加了低辛烷值的汽油之后，汽车经常爆缸。
燃料和时间曲线修改为最佳性能和较低行驶里程，使用成本较低，可以使用低辛烷值的燃料。
Fuel and timing curves are modified for optimal performance and mileage using less expensive, lower octane fuels.
将低辛烷值直馏馏分、热裂化或催化裂化重石脑油改质为高辛烷值组分用于车用或航空燃料调合或石油化工的连续过程。
A continuous process to upgrade low-octane virgin, thermal, or heavy catalytically cracked naphthas into high-octane components for motor or aviation fuel blending or petrochemical usage.
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