The rotor and the stator are made of high quality magnetic material. There is a gap between rotor and magnetic pole, so no wear occurs during operation.
转子和定子采用优质磁性材料制成，转子和磁极之间留有一定的空气间隙，工作时无任何磨损。
2
Power lines can be made less dangerous by widening the gap between conducting and ground wires, insulating wires and metal parts, and moving wires farther away from pole tops.
Power lines can be made less dangerous by widening the gap between conducting and ground wires, insulating wires and metal parts, and moving wires farther away from pole tops.