利用特制振动电机自同步原理，起动迅速、工作稳定、停车平稳。
Since the synchronous motor with a special vibration principle, starting fast, working steady, smooth parking.
钻柱将其扭转振动传至钻机动力头，引起动力头齿轮传动系统的非线性振动。
The BHA transmits its torsional vibration to the gear system of drill power pack and brings about nonlinear vibration.
具有功耗、起动电流、振动和体积小，结构简单，重量轻，便于携带和使用寿命长等特点。
The utility model ahs the advantages of low power consumption, small starting current, small vibration, small volume, simple structure, light weight, and convenience for carrying.
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