本文从理论上探讨了离心投药泵的变频调速规律，并进行了实验验证；

The principle of frequency control of centrifugal dosing pump was studied theoretically and verified by experiment;

youdao

本文从理论上探讨了离心投药泵的变频调速规律，并进行了实验验证；

The principle of frequency control of centrifugal dosing pump was studied theoretically and verified by experiment;

youdao