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1·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.

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。