a type of motor that burns fuel inside cylinders to generate power for vehicles or machinery
内燃机, 内燃发动机
工程师们继续改进内燃机设计，使其更加节能环保。
a shaft that converts the up and down motion of the pistons into rotational motion
曲轴, 曲柄轴
曲轴转动平稳，表明没有问题。
a system of gears that transmits power from the engine to the wheels
变速箱, 齿轮箱
变速箱实现了无缝换挡。
the part of an engine where fuel is burned to produce energy
燃烧室, 燃烧腔
工程师研究燃烧室以提高效率并减少各种类型发动机的排放。
a part that directs exhaust gases from the engine
歧管, 排气歧管
歧管在保持发动机清洁和减少车辆尾气污染方面起着至关重要的作用。
a device that cools the engine by transferring heat from the coolant to the air
散热器, 热交换器
散热器风扇启动以帮助冷却发动机。
a device that ignites the fuel-air mixture in the engine cylinders
火花塞, 点火塞
由于积垢，火花塞需要更换。
a device that controls the amount of fuel-air mixture entering the engine
节气门, 油门
电子节气门提供了对发动机功率的精确控制。
a device that routes high-voltage electricity to the spark plugs in the correct firing order
分电器, 分配器
分配器在正确的时间将火花发送到每个气缸。
an object that turns chemical energy to electricity to give power to a device or machine
电池, 蓄电池
智能手机的电池寿命随着最新技术显著提高。
a device that mixes air and fuel for internal combustion engines
化油器, 汽化器
化油器为发动机提供了精确的燃料空气混合物。
a device in a carburetor that restricts airflow to enrich the fuel-air mixture for starting a cold engine
阻风门, 节气门
阻风门帮助发动机在寒冷天气中平稳启动。
a belt that drives the engine cooling fan and other accessories like the alternator and power steering pump
风扇皮带, 附件皮带
风扇皮带断裂，导致发动机过热。
a device that reduces noise from the exhaust system
消声器, 排气管
消声器有助于显著降低发动机的噪音水平。
a tool for measuring the level of oil in an engine
油尺, 量油尺
量油尺有清晰的标记，便于读取。
a filter that removes contaminants from engine oil
机油滤清器, 油滤器
她安装了一个高性能机油滤清器以更好地保护发动机。
the lubricating oil used in internal combustion engines
机油, 发动机油
机油润滑了发动机的移动部件。
a liquid added to the engine coolant to prevent freezing and overheating
防冻剂, 防冻液
防冻剂在寒冷天气中保护发动机免于冻结。
