... 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
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