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中、小功率发动机空气滤清器的滤芯材料一般采用钢丝、纸质、泡沫塑料等。滤芯使发动机吸气过程中产生一定的进气阻力。该阻力的大小与滤芯材料和空气滤清器的结构
Medium and low-power engine air filter cartridge material generally used steel wire, paper, foam and so on. Filter makes the engine intake process to produce a certain intake resistance. The size of the resistance with the filter material and the structure of the air cleaner