As a matter of weight and size, a GWS pico servo which has almost the same speed and torque is used for the pitch control instead of a Hitec HS-50 that used for aileron and elevator.是什么意思_As a matter of weight and size, a GWS pico servo which has almost the same speed and torque is used for the pitch control instead of a Hitec HS-50 that used for aileron and elevator.在線翻譯_英語_讀音_用法_例句