英语词汇“hydraulic grade line”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	hydraulic grade line
释义	hydraulic grade line hydraulic grade line [hī′drȯ·lik ′grād ‚līn] (fluid mechanics) In a closed channel, a line joining the elevations that water would reach under atmospheric pressure. The free water surface in an open channel. AcronymsSeeHGL
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