异步电动机的转子转速总是低于定子旋转磁场转速。
参考答案：对
You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks.
A．more likely 30 times; than
B．30 times as likely; than
C．30 times as more likely; as
D．30 times as likely; as
广义的素质（次要）
