1. A device, such as a drill, that operates with a jerking or jolting motion. 
   振动器，推拉器一种像钻孔机的设备，运转时来回拉动和推动
2. The act of vibrating. 
   振动振动的行为
3. An electrical device consisting basically of a vibrating conductor interrupting a current. 
   振动器主要包含一种能打断电流的振动导体的电动设备
4. measurement and test of vibration 
   振动测试
5. A pulsation produced by beating. 
   振动敲击产生的振动

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