内燃机运行一段时间就得往油箱里加燃油。每天启动之前得往水箱里续水。这是汽车驾驶员、拖拉机手和工程机械司机熟悉的例行保养作业。论其性质属于补给作业;谈其难易那是极其简单的。然而并不是每位师傅都能给学徒讲清加油续水还有什么规距,为什么 Internal combustion engine running for a period of time have to add fuel tank. Water must be refilled to the tank before starting daily. This is a routine routine familiar to drivers of car tractors, tractor hands and construction machinery. On the nature of supply operations; to talk about its ease that is extremely simple. However, not every teacher can give apprentices to clarify what the refueling interval, why