The behavior of oscillation chamber flow field is an important content of studying drilling hydraulic independentexcitation oscillation.
振荡腔室内流场特性是研究钻井水力它激振荡的重要内容。
2
It introduces a kind of powerful complementary DC and constant voltage power device by using the independentexcitation and high frequency PWM wave clipper.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
3
The paper analyses the action method, disturbance wave property and excitation condition of hydraulic independentexcitation and theoretical model of fluid flow property in resonance cavity.