The polytropic efficiency is one of the most significant indicators.
多变效率是最重要的指标之一。
The polytropic efficiency is one of the most significant indicators which are used to judge the economical efficiency of the units.
离心式压缩机组广泛应用于石油天然气工业领域，而多变效率是衡量该系统运行经济性的重要指标之一。
The polytropic efficiency is one of the most significant indicators which are used to judge the economical efficiency of the units.
离心式压缩机组广泛应用于石油天然气工业领域，而多变效率是衡量该系统运行经济性的重要指标之一。
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