接通电源后，按下高压开关按钮，顺时针慢慢转动调节手把，将电压调至2～3万伏。
Connected to power, press the voltage switch button, rotate adjustment handle clockwise slowly, and adjust the voltage to 20-30 Kilo volts.
接通电源后，按下高压开关按钮，顺时针慢慢转动调节手把，将电压调至2～3万伏。
Connected to power, press the voltage switch button, rotate adjustment handle clockwise slowly, and adjust the voltage to 20-30 Kilo volts.
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