| http://www.w3.org/ns/prov#value | - By adjusting the flow rate of the coolant proceeding toward the low-temperature heat exchanger 224 by the valve 213, the liquid-phase coolant in the interior of thelow-temperature heat exchanger 224 may be prevented from being drawn into the ejector pump 218.The heat transfer unit 226 is formed of a material with a high thermal conductivity, for example, the metallic material such as aluminum or c
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