单词 | refrigeration system |
释义 | refrigeration system [ri´frij·ǝ`rā·shǝn ´sis·tǝm] MECHANICAL ENGINEERING A closed-flow system in which a refrigerant is compressed, condensed, and expanded to produce cooling at a lower temperature level and rejection of heat at a higher temperature level for the purpose of extracting heat from a controlled space. |
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