... 刺钉 barbed nail 粗糙系数 coefficient of roughness 粗骨料沥青混凝土 coarse asphaltic concrete ...
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45． 平均流速popular velocity 46． 糙率（粗拙系数） coefficient of roughness 47． 水力坡度（水力比降） hydraulic slope; energy grdriving instructorent ..
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... coefficient of linear expansion 线性膨胀系数 coefficient of roughness 粗糙度 coefficient of volumetric expansion 容积膨胀系数 ...
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... 滚动阻力系数 coefficient of rolling resistance 粗度系数 coefficient of roughness 流失系数 coefficient of run-off ...
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manning's coefficient of roughness 曼氏粗糙度系数
coefficient of roughness in pipes 管道的糙度系数
regularity of roughness coefficient 糙率规律
Roughness coefficient of non-submerged reed 湿地非淹没芦苇水流阻力的试验研究
The value of additional coefficient of raft roughness is established through the comparative analysis of raft prototype resistance measurement on the spot and relevant model experiment.
通过木排原型阻力的现场测试与相应的模型试验分析对比，确定了木排粗糙度附加系数的数值。
In the calculations of roll torque of ablation lag, a rapid method for calculating combined influence of ablation injection and roughness on skin friction coefficient is mainly described.
在烧蚀滞后滚转力矩的计算方法中，本文主要介绍滞后引射率和粗糙度对壁面摩擦系数联合影响的一种快速计算方法。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数，则形状阻力系数与雷诺数无关。
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