某一旋风除尘器的分级效率曲线是在特定工况下试验求得的，不能任意推广应用。
The classification efficiency curve of a certain cyclonic is obtained by experiment under the special working conditions, so it can't be spreaded and used wilfully.
对湿式除尘机理进行了理论分析，导出了湿式除尘器分级效率的计算公式。
The dedust mechanism of wet scrubbers is analysed and studied in detail.
采用WY 1型冲击式尘粒分级仪测量各尘源排放粉尘的粉尘粒径分级组成和除尘器的粒径分级除尘效率。
WY 1 in stake Cascade Impacted was used to measure the particle size classification of dusts and the fractional collecting efficiencies of dust collectors.
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