ultrasonic drill
短语词组
- ultrasonic c drilling 超声钻孔
- ultrasonic revolving drilling 超声旋转钻
- ultrasonic vibration drilling and grinding 超声振动钻磨
- ultrasonic drilling detail 超声波钻孔
- ultrasonic drilling machine 超声波打孔机床;超声波钻床
- Rotary Ultrasonic Drilling 旋转超声钻削 返回 ultrasonic drill