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三滤,即柴油滤清器、空气滤清器和机油滤清器。它们的重要性已逐渐被人们所认识。三滤性能的优劣很大程度上决定着柴油机的可靠性和耐久性。许多重要零部件如燃油泵、喷油咀、活塞环、气缸套、曲轴、轴瓦等的使用
Three filters, namely diesel filters, air filters and oil filters. Their importance has gradually been recognized. The pros and cons of the three filter performance largely determines the reliability and durability of the diesel engine. The use of many important components such as fuel pumps, fuel injection nozzles, piston rings, cylinder liners, crankshafts, bearings, etc.