甚至乎只有在冬季，在你排空批量加热器、采用正常水压的时候才有压力。

And even that is only during winter when and if you drain the batch heater and use regular water pressure.

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如果压力是太低了，这会有加热器，用来提高压力。

If the pressure is too low they have heaters here that are used to increase the pressure.

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然后，你们会得到各种的控制定值，如果压力变得太低，你能，将加热器放回去，使得压力，上升到2200之上。

Then you have all kinds of control set points and if the pressure goes too low you can in fact put heaters back on to get the pressure above twenty two hundred.

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