由于其出色的部分负荷效率，多压缩机机组主要应用于的场合为大排量中高压活塞式空压机应用领域。
Because of its excellent part load efficiency, many compressor unit is used mainly in the occasions for large displacement in high pressure piston compressor applications.
本文首先分析了发动机的全负荷速度特性、部分负荷特性和变量泵在不同的工况下的效率特点。
This dissertation has analyzed the full-load speed characteristics of the diesel engine, some load tempo characteristics and characteristics of variable pump at first.
季节能效比（SEER）和综合部分负荷值（IPLV）是近年来出现的制冷和热泵装置能源效率评价指标。
Recent years, the seasonal energy efficiency(SEER)and integrated part-load value(IPLV)are the evaluating methods for refrigeration and heat pump equipment.
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