导管摩擦系数 coefficient of pipe friction; coefficient of tube friction 范宁摩擦系数 fanning friction factor ..
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The tube surface has extreme hardness (60 RC.), excellent wear and corrosion resistance, and low coefficient of friction.
管表面有极大的硬度(60钢筋混凝土。)，良好的耐磨性和耐腐蚀性，低摩擦系数。
The wall thickness of the tube will be increased with increasing back pressure or increasing friction coefficient.
管材弯曲内外侧壁厚随着反推压力的增大或摩擦系数的增大而增大。
The influences of friction coefficient between tube and mandrels and the press force on the end of tube for thickness chang...
通过数值模拟得到管壁的最大减薄和增厚部位，并讨论了芯轴的摩擦系数和钢管末端的压力对管壁厚度变化的影响。
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