axial entry impeller是什么意思

用法例句

The impeller inlet prewhirl flow in a HW-G1 centrifugal fan has been measured by means of the three-hole probe and micropressure gauge.

使用三孔探针和补偿式微压计对HW -G1型离心风机的叶轮进口流场进行了测量和分析。