At the end of the thesis, a brief introduction of the electrical control system of HVD and a method of using PID control to carry out speed of rotation of closed loop control are brought forward.是什么意思_At the end of the thesis, a brief introduction of the electrical control system of HVD and a method of using PID control to carry out speed of rotation of closed loop control are brought forward.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句