发动机上的空气德清器、柴油德清器、机油滤情器简称“三滤”．它们是机器上忠实的卫士，担负着重要使命．清除进入机体内的杂质，使机器保持良好运行状态。现将“三滤”的功用与保养分述如下。一、空气滤清器1．功用它的重要作用是清除空气中的灰尘和杂质．减少缸套、活塞、活 Deqing engine on the air, diesel Deqing, oil filter referred to as “three filters.” They are loyal guards on the machine and bear an important mission. Remove impurities entering the body to keep the machine in good working condition. Now the “three filter” function and maintenance are described below. First, the air filter 1. Function It’s important role is to clear the air of dust and impurities. Reduce liner, piston, live