单词	portrait album
释义	portrait albumn.① 寫真集
随便看	open-loop equilibrium open-loop frequency response open loop gain open-loop gain open-loop gain amplifier open loop gain，olg open-loop harmonic response open-loop maneuver open loop mrp open loop numerical control system open-loop pole open loop robot open-loop robot open-loop series circuit open loop series street lighting system open loop stabilization open-loop stepped motor open loop system open-loop system open-loop systems open-loop test open loop tracking open-loop tracking open-loop transducing open-loop transducing (deflection method)