... three, the normal working conditions1, the environment: external temperature 12-38 °C, relative humidity 45-88%, atmospheric pressure 80-106kPa.2, ... -ray tube voltage conditions, 40 ~ 120KV, current of 0 ~ 4.2mA.2, B ultrasound localization ( B ultrasound for optional parts ... noise reduction function.In 3, stone power stepless regulation.In 4, stone discharge frequency can be freely adjusted.In 5, the ...