effective phase difference是什么意思

用法例句

Influence of the effective temperature difference on the evaporation facility production capacity and its improving method;

有效温差对蒸发装置生产能力的影响及提高对策

Based on practice of the company, this paper analyzes the major factors affecting salt output and approaches the way to enhance vacuum in the last effect and increase effective temperature difference of heat transfer in an attempt to save energy and increase output .

文章结合本厂实际,对影响制盐产量的主要因素进行了分析,并对如何提高末效真空度,增加传热有效温差,从而达到节能增产的目的进行了探讨,供同行参考。