介绍了乳化液泵采用二级压力控制的液压系统及节能效果分析。
This paper introduces the hydraulic system of emulsion pump using towstep pressure control, analyses its energy conservation effect.
介绍了新型节能电动机研制的技术依据、技术路线、技术关键，以及优化设计结果和节能效果分析。
The technical basis, technical line and key points of the new motor are introduced, and the result of the optimization and the energy-saving effect are analyzed.
分析比较了各类光源的性能和节能效果。
Performance and energy saving effect of various light sources are analyzed and compared.
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