The car was powered by a four cylinderair-cooled engine.
这辆汽车是由一个四缸气冷式发动机驱动的。
《柯林斯英汉双解大词典》
2
This paper measured the non steady state temperature field of cylinder head in an aircooled engine. It analysed the temperature variation under transient operating conditions of engine.
Settlings reactor consists of steel baseplate large water-cooled steel furnace cylinder power supply as well as such utilities as electricity air vacuum and water.