That makes it harder for moisture to build up in the tank, which can damage your vehicle's fuel injection system.

这样水分就不易积聚，从而损坏汽车射系统。

They are fuel supply and fuel injection systems.

它们供给系统和射系统。

The diesel engine exhausts black smoke because of the troubles in the fuel injection system, such as bad fuel oil quality, poor fuel atomization.

柴机冒黑烟由于射系统问题，例如质量差、雾化不良等原因造成。

Old cars have carburetors; new cars have fuel injection systems. These are the things that control how much gas is burnt, and how much air mixes with the gas to get the proper amount of burn.

旧车有化器；新车有射系统。 这些控制烧多少气体东西， 以及多少空气与气体混合以获得适当烧量。