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.

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For example : During engine run the number 1 engine oil pressure gauge fluctuates.

试车时,一号发动机滑油压力表指示摆动.

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You don't absolutely need a flywheel, but it makes the engine run a lot smoother.

你并不一定就要添上飞轮, 但是它让引擎运转起来流畅很多.

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