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1 现象 透视正常,在电源电压低于220V时,摄片时曝光指示灯亮,但无X线发生。如将电源电压调至≥220V时,曝光正常。
1 phenomenon of normal perspective, the power supply voltage is lower than 220V, the exposure indicator light when the filming, but no X-ray. If the power supply is adjusted to ≥ 220V, the exposure is normal.