在能量转移系统中，应该采用容积膨胀减压方式减少减压环节的可用能损失；合理利用低温排气的冷量火用可以提高气动发动机能量转移系统的总能量效率。
The expander can reduce exergy loss in pressure reducing process, and the utilization of cryogenic exergy of air-powered engine exhaust is useful to improve the total energy efficiency.
另一方面，低温压缩空气在热交换器里温度得到回升，使排气管道外壁不致因温度过低而出现结露现象。
On the other hand, cryogenic compressed air in the heat exchanger temperature rise, so that the exhaust pipe is not caused by low temperature and dewing phenomenon.
介绍了低温等离子体与催化剂协同降低柴油机排气新装置的原理与结构。
The article introduces the principle and structure of the new exhaust emission devise on diesel vehicle which USES low temperature plasma in conjunction with catalyzer.
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