“hydraulic grade line”的概念、定义、翻译、参考文献-科学参考

单词	hydraulic grade line
释义	hydraulic grade line [hī`drȯ·lik `grād ´līn] ^{FLUID MECHANICS} 1. In a closed channel, a line joining the elevations that water would reach under atmospheric pressure. 2. The free water surface in an open channel.
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