水利工程专业词汇英语翻译G-6-SCIdict学术... ... 水压管比降 Gradient， piezometric 压力比降 Gradient， pressure 总水头比降 Gradient， total head ...
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计算不同叶长，叶宽，孔数的喷丝板毛细孔的当量直径，单孔流量，剪切速率，喷头拉伸比，三叶异形孔压力降和异形度。
The diameter, flow, shear rate, draw ratio, pressure difference and degree of profile in different configuration of capillary hole were calculated.
利用压缩比与平直段的长度存在补偿效应的结论，从压力分布及压力降的比较中考察其对熔接痕形成的影响。
Using the theory of compensation effect between compress ratio and the length of straight section, the pressure of flow channel were mainly study according its influence on melt line.
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