... chilled water冷水 chilled water system with primary-secondary pumps一、二次泵冷水系统 chimney(排气〕烟囱 ...
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4 SEC Backup pumps within the secondary loop automatically turn on.
4秒二次回路中的备用水泵自动启动。
8 min An operator notices that the valves for the backup pumps in the secondary loop are off. He opens the valves. The secondary side now operating normally.
8分钟一个操作员注意到二次回路备用水泵的阀门是关的，于是打开了阀门。二次回路现在运作正常。
0 SEC the pumps in the secondary loop shut down automatically, due to a slight malfunction.
0秒二次回路中的水泵因为一个小故障而自动关闭。
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