dust up争吵, 争论, (非正式)骚乱, 喧闹
dustn.灰尘;尘土;粉尘vt.去掉 ... 的灰尘;撒粉末于vi.除尘
dust collecting equipment集尘设备
dust production mechanism扬尘机理
Dust content in cigarette卷烟含末率
dust-proof rubber strip防尘橡皮条
dust measuring instrument测尘仪器
dust-removing equipment除尘设备
dust-borne transmission尘埃传播
Dust floast in the air.灰尘飘在空中。
dust collecting electrode集尘电极
dust settling compartment降尘室