例句與造句

1. The principle was as follows : A rotating phase converter fed the stators of the motors.
2. The locomotives carried a four-pole rotating phase converter feeding a single traction motor of the polyphase induction type at 600 to 1, 100 V . The number of poles on the 2, 500 hp motor could be changed using slip rings to run at one of four synchronous speeds.
3. It's difficult to find rotating phase converter in a sentence. 用rotating phase converter造句挺難的