泵必须是低剪切力的阿基米德螺旋式泵。
主要对其剪切力和液压系统进行计算和研究。
The main shear stress and its hydraulic system, calculation and research.
目的考察剪切力对必特螺旋霉素发酵的影响。
Objective To investigate the effect of shear force on the fermentation of biotechmycin.
坡面径流平均输沙率与平均剪切力之间量良好的线性关系。
The relationship between the average sediment transport rate and the a...
坡面径流平均输沙率与平均剪切力之间量良好的线性关系。
The relationship between the average sediment transport rate and the a...
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