• The appearance of the air-side enthalpy difference metering method helps to boost the progress of the cooling metering and charging work in our country.

    差法计量方法出现有助于促进国内冷量计量收费工作的推广开展。

    youdao

  • The appearance of the air-side enthalpy difference metering method helps to boost the progress of the cooling metering and charging work in our country.

    差法计量方法出现有助于促进国内冷量计量收费工作的推广开展。

    youdao

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