heat transmission coefficient K 基本例句 节能 Slice-heat interchanger is a kind of energy-conservation heat exchanger.板式热交换器是一种新型的节能热交换设备。 A heat balance test and exergy analysis was made for different standard buring barium kilns.对不同规格的烧钡害进行热平衡测试及分析，找出共同存在的问题及主要差距，指出节能途径。