- 气动: pneumatic
- 选矿: milling of ores; ore dressin ...
- 气动选煤: pneumatic cleaning
- 选矿: [矿物学] milling of ores; ore dressing; mineral separation; beneficiation; mineral concentration◇选矿厂 beneficiation plants; preparation plant; preparator; concentrating mill; dressing-works; ore dressing plant; concentration plant; washing plant
- 气动: pneumatic◇气动泵 pneumatic drive pump; 气动工具 pneumatic tool; 气动离合器 pneumatic clutch; 气动挖掘机 pneumatic pick
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