improver造句

Aim To synthesize new type of octane number improver for gasoline, methoxyisobutyrate.
目的合成一种新型汽油辛烷值改进剂─甲氧基异丁酸烷基酯.

Cetane improver . Makes the engine run better at higher compression settings.
碳氢化合物的改进物. 使引擎在高压缩比时运转较为顺畅.

Cyclohexyl nitrate is an effective cetane number improver for diesel oil.
硝酸环己酯是一种有效的柴油十六烷值改进剂.