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  1. Oxford Dictionary

    heat efficiency

    • n.
      the ratio of the heat produced by a machine or in a process to the total energy expended or heat taken in

    • noun: heat efficiency, plural noun: heat efficiencies

    • 釋義

    名詞

    • 1. technical the ratio of the heat produced by a machine or in a process to the total energy expended or heat taken in wood burning stoves vary in their heat efficiency