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4秒二次回路中的备用水泵自动启动。
4 SEC Backup pumps within the secondary loop automatically turn on.
youdao
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再用水清洗干净，滤干水份后备用。
Wash clean again, drain off the water and put in a basin.
youdao
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再用水清洗干净，滤干水份后备用。
Wash clean again, drain off the water and put in a basin.
youdao