The following ____________ belong to the characteristics of water-cooled chilled water air conditioners.

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In the access control system interface, the functions that can be realized are ____________ .

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The principle of the evaporator is to convert the refrigerant from liquid to gas, take away the heat of the refrigerated object, and realize refrigeration.

• A.True
• B.False

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According to different classifications of electrolytes, batteries can be divided into ____________ and
____________ .

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The surface cooler controls the indoor temperature and humidity through the heat exchange between the refrigerant and the indoor air.

• A.False
• B.True

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