“economic specific frictional head loss”的概念、定义、翻译、参考文献-科学参考

单词	economic specific frictional head loss
释义	economic specific frictional head loss Encyclopedia 工学长距离输送热水管网释 economic specific frictional head loss经济比摩阻用技术经济分析的方法，根据供热系统在规定的补偿年限内年总计算费用最小的原则确定的比摩阻。
随便看	modified oil transportation modified partial differential equation modified permutation entropy modified Poincare plot modified Poincare scatterplot modified quadratic discriminant function，MQDF modified radical mastoidectomy modified rosin modified second characteristic modified spherical Bessel differential equation modified spherical Bessel function modified starch modified starch adsorbent modified Struve function modified superposition principle modified Tait equation modified technique for order preference by similarity to ideal solution modified test modified tube model modified value modified version modified wave operator modified wood modified word problem Modified，Exclusive，Shared，Invalidated protocol

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