淋浴时不是打开排气扇而是让它关闭。
Instead of turning on the exhaust fan when showering, leave it off.
因为反应器已经关闭了很长时间，残余热量下降到了一个显著的低水平，因此工厂内部的压力已经稳定，不再需要继续排气。
Because the reactor had been shut down a long time ago, the decay heat had decreased to a significantly lower level, so the pressure in the plant stabilized, and venting was no longer required.
关闭空调，排气扇，通风口和炉子。
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