短語(yǔ)詞組短語(yǔ)ultrasonic c drilling 超聲鉆孔ultrasonic revolving drilling 超聲旋轉(zhuǎn)鉆ultrasonic vibration drilling and grinding 超聲振動(dòng)鉆磨ultrasonic drilling detail 超聲波鉆孔ultrasonic drilling machine 超聲波打孔機(jī)床;超聲波鉆床Rotary Ultrasonic Drilling 旋轉(zhuǎn)超聲鉆削 返回 ultrasonic drill