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故障现象：双机交替放映时触发困难。即甲机放映结束时，触发乙机氙灯，只跳火而不能点燃。必须将甲机氙灯先关掉，然后乙机氙灯才好触发点燃。当乙机氙灯点燃后再触发甲机，也要先将乙机氙灯关熄掉才能触发甲机。这样勉强维持放映几场电影后，双机的氙灯就都不能触发点燃...
Symptom: Double trigger alternately when difficult. That is, when the plane aired, triggering x-ray machines B, only flashover and can not be ignited. Xenon lamp must be turned off first, then x-ray machine to trigger ignition. When the B engine xenon lamp ignited and then trigger a machine, we must first turn off the machine xenon lamp to trigger a machine. After barely maintaining a screening of several movies, both xenon lights can not ignite ...