| 单词 | hydraulic radius |
| 释义 | > as lemmashydraulic radius hydraulic radius n. = hydraulic mean depth n. ΚΠ 1876 L. D'A. Jackson tr. W. R. Kutter Mean Velocity of Discharge of Rivers i. 2 r is the mean hydraulic radius, or the quotient of the water section by the wetted perimeter. 1948 D. W. Taylor Fund. Soil Mech. vi. 109 The ratio of volume to surface area of flow channel may be used as an alternative definition of hydraulic radius. < as lemmas |
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