Motor power:open the door and provide the initiative, door control acceleration and decelertion operation.
动力马达：提供开门与关门的主动力，控制门扇加速与减速运行。
This is the same principle of operation as the VR stepper motor.
这是同样操作原理象VR步进马达。
The open-phase protection in long-distance motor operation is very important in practice.
电动机远距离运行断相保护在实际工作中很重要。
The open-phase protection in long-distance motor operation is very important in practice.
电动机远距离运行断相保护在实际工作中很重要。
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