短語詞組短語Ultra Fine Test Dust 超細(xì)試驗(yàn)粉塵As fine as dust 細(xì)若塵埃fine coal dust 細(xì)煤粉A Fine White Dust 中文名一方凈土fine abrasive dust 微塵Rub Fine Surface Dust 揉搓細(xì)面塵Air Clearer Fine Test Dust 試驗(yàn)粉塵ultra -fine coal dust 超細(xì)煤粉fine mote of dust 微塵 返回 fine dust