注意小拖进气系统的保养小拖拉机在使用过程中，有些机手不注意其进气系统的保养，这不仅缩短了机车的使用寿命，而且还会造成经济效益降低。我们都知道，发动机工作需要大量的空气，为保证发动机吸进干净的空气，滤掉有害杂质．每个发动机都装有空气滤清器。如果空气滤清... Pay attention to the maintenance of small drag air system Small tractor in use, some of the aircraft do not pay attention to the maintenance of the intake system, which not only shortens the service life of the locomotive, but also result in lower economic efficiency. We all know that the engine work requires a lot of air, in order to ensure that the engine sucked clean air, filter out harmful impurities. Each engine is equipped with an air cleaner. If the air filter ...