The two principal combustion products are water vapor and carbon dioxide.

两种主要的燃烧产物是水蒸气和二氧化碳。

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The formation of secondary muzzle flash is closely related to reducing gases in combustion products.

枪炮二次焰的形成与燃烧产物中还原性气体息息相关。

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Yet the spectrum of smoking-related disease is not caused by nicotine, but by the products of tobacco combustion inhaled many times a day for decades.

FORBES: How Health Regulators Are Killing American Smokers

The outcome of this forum should be followed closely by every company that is not manufacturing its products with its own renewable power supply and distributing them by means of transport other than the internal combustion engine.

FORBES: Magazine Article