unloaded speed 中文意思是什麼
unloaded speed
解釋
空載轉速-
The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit
試驗結果表明，超聲電機可以在真空環境下工作，但性能較常態環境下有所變化，其空載轉速明顯下降，堵轉力矩有所增大。
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