coal feeder
短语词组
- coal wheel -feeder 叶轮给煤机
- coal -feeder speed 给粉机转速
- coal single -direction feeder 单向给煤机
- coal double -direction feeder 双向给煤机
- buried scraper coal -feeder 埋置刮板给煤机
- coal portal -frame impeller feeder 门式叶轮给煤机
- the concentric multi -ring coal feeder 环式给煤机 返回 coal feeder