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在对离心式压缩机的级进行设计或校核计算时,级的流量系数甲,φ_(r2)设计值的选取是很关键的。φ_(r2)的定义式为:
In the centrifugal compressor stage design or check calculation, the level of the flow coefficient A, φ_ (r2) design value of the selection is very crucial. The definition of φ_ (r2) is: