...；口型膨胀；第一法向应力差；剪切应力[gap=824]Keywords： tube compound;extrusion;die-swell;first normal stress difference; shear stress...
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...牛顿学流体、第一常规压力差分、磁性数据存储系统。 [gap=1279]Keywords: non-Newtonian fluid, first normal stress difference, magnetic data storage systems ...
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