coarse ore dust 粗矿尘
ore dust 矿石粉尘
iron ore dust 铁矿粉尘
Light ore dust 轻矿粉尘
dust of sulfide ore 硫化矿尘
density of ore dust 矿石粉尘浓度
standard uranium ore dust 标准铀矿样粉
dust control at ore-pass 溜井通风除尘
rare earth iron ore dust 稀土铁矿尘
The unloaded ore is blended and stockpiled in a vast yard enclosed by fine-mesh screens to stop the dust from blowing towards the nearby city of Vitória.
卸下的矿石堆积在一个巨大的货场上，上面盖着细网幔帐，以避免灰尘吹向附近的维多利亚城市。
The transportation and treatment of dry ore powder will produce dust and pollute the environment.
缺点是干燥矿粉的制备、运输和加工过程中会产生扬尘，造成环境污染。
The dust examining conditions of ore dressing workshop are introduced.
介绍了选矿车间的粉尘检测情况。
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