变桨距控制系统
variable pitch control system
时变控制系统
time-variant control system
线性时变控制系统
linear time-varying control system
可控距螺桨控制系统
controllable pitch propeller control system {= CPP control system
铲运机传动系控制系统
scraper transmission control system
铲运机传动系控制系统元件
scraper transmission control system component
传统PID控制系统
conventional PID control system
传统控制系统
traditional control system
变桨控制
the variable pitch control
Variable-pitch control
pitch control
变结构控制系统
variable structure control system
answer tone
变频控制系统
converter control system
frequency control system
frequency changeable center system
conveter control system