短語詞組短語Plant Soot 百草霜soot blowing 吹灰;[環(huán)境]煙灰吹除;煙灰吹除soot particle 灰粒;碳煙顆粒acid soot 酸性煙灰;[化工]酸煙垢;酸煙垢soot concentration 煙灰濃度;煤煙濃度soot filter 煙塵濾管soot content 煤煙含量Black soot 黑煙塵oil soot 油煙炱soot blower 吹灰裝置；煙灰吹除機soot formation 煙炱的形成；積灰 返回 soot