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美国制造的内燃机车目前正在配装一种自动离合器。这种离合器每当空气制动和辅助供风系统被充满时便可将空气压缩机自动脱开,从而降低柴油机的辅助功率消耗,同时减少空气压缩机的磨损。据估计,燃油节约效果为
The U.S.-made diesel locomotive is currently equipped with an automatic clutch. The clutch automatically disengages the air compressor each time the air brake and auxiliary air supply system is full, reducing auxiliary power consumption of the diesel engine while reducing air compressor wear. It is estimated that the fuel economy effect is