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经验算和推导 ,指出该规范中几个主要公式存在着推导错误、单位错误或因温差选取不正确导致的应用上误差过大的问题 ,分析得出了公式的正确表达形式 ,作了相应的简要讨论。
Through calculation and deduction, it is pointed out that several main formulas in the code have the problems of derivation error, unit error or application error due to incorrect selection of temperature difference. The correct formula of the formula is analyzed and the corresponding formulas Brief discussion.