The static pressure gradient in cyclone air classifier can have influence on the test and measurement for its flow fields by five-hole probe.

用五孔探针测试旋流式气力分级机流场时，分级机内存在的静压梯度会对测试产生影响。

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This paper presents a new policy for static balance test, introduces a new intelligent static balance test-classifier based on the policy;

本文提出一种静平衡测试的新方案，介绍根据此方案设计的一种新型智能静平衡测试分选仪。

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