“Williams-Hazen formula”的概念、定义、翻译、参考文献-科学参考

单词	Williams-Hazen formula
释义	Williams-Hazen formula [`wil·yǝmz `hāz·ǝn ´fȯr·myǝ·lǝ] ^{FLUID MECHANICS} In a liquid-flow system, a method for calculation of head loss due to the friction in a pipeline.
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