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  • The property of initial installation charge for pipeline gas is analyzed, and the necessity for collecting the charge is expounded.

    分析了管道燃气初装费的性质，阐明了收取燃气初装费的必要性。

    youdao

  • The property of initial installation charge for pipeline gas is analyzed, and the necessity for collecting the charge is expounded.

    分析了管道燃气初装费的性质，阐明了收取燃气初装费的必要性。

    youdao

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