Press and connect the power switch (displayed on the screen) and then press the power button and ventilate (air source pressure displayed on the pressure meter).是什么意思_Press and connect the power switch (displayed on the screen) and then press the power button and ventilate (air source pressure displayed on the pressure meter).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句