dust particle size classification
dust particle size classification
粉尘粒径分级
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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WY 1 in stake Cascade Impacted was used to measure the particle size classification of dusts and the fractional collecting efficiencies of dust collectors.
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。
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