我们使蒸汽通过一根管子，在管子周围有冷水循环。
We make steam pass through a pipe, round the outside of which cold water circulates.
在下班前半小时关掉冷水主机，利用冷水循环泵继续运转即可。
Mike half an hour to turn off the cold water, using cold water circulation pump host can continue to move.
在下班前半小时关掉冷水主机，利用冷水循环泵继续运转即可。
Mike half an hour to turn off the cold water, using cold water circulation pump host can continue to move.
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