The relationship between minimum breaking force and diameter is deduced from the relationship between minimum breaking force coefficient and diameter in ISO 8369, and the relation figure are drawn.
从国际标准ISO 8369中最小破断拉力系数与直径的关系出发，推导出最小破断拉力与直径的关系，并绘出关系图。
Moreover, flow distribution was also calculated by free-vortex flow pattern and compared with that by iso-reaction coefficient flow pattern. Relative evaluation …
同时还对自由涡流型进行了计算，把这两种流型的计算结果作了比较，并对这两种流型的风扇进行了评价。
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