fan performance的用法和样例：
例句
- The intrinsically safe degree conception of axial fan performance is set up in this paper.
本文建立了轴流风机性能本安度概念。 - The thesis compares the vaneless diffuser with the vane diffuser, and indicates that the vane diffuser is propitious to improve the fan performance.
指出了斜流叶轮设置导向叶片扩压器有利于提高风机性能，因此在斜流风机中推荐使用叶片扩压器。
