内设自循环系统和空气滤清系统，对环境要求大幅降低。
Equipped with circulatory system and air filtration system, the environmental requirements greatly reduced.
介绍了风沙地区内燃机车空气滤清系统、机油地面净化加温装置、机油滤清器滤芯的研究、试验以及使用效果。
This paper describes the improvement of the locomotive air filter and lubricating oil filter, on-board oil heating, clean system and the strainer core in windy and sandy area in details.
进气系统主要包括空气滤清器、进气道、化油器和进气歧管。一些发动机在进气系统中有增压器。
The intake system mainly includes the air filter, intake ducting, the carburetor, and the intake manifold. Some engines have supercharger in the in take system.
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