煤用双层伞形叶轮浮选机
Coal flotation cell of umbrella-like impeller with double-layer blades
1998-11-10
DL/T 337-2010
给煤机故障诊断及煤仓自动疏松装置
Coal feeder fault diagnosis and automatic loosening device for coal silo
2011-01-09
NB/T 11118.8-2023
煤矿综采工作面机电设备EtherNet/IP通信接口和协议 第8部分:低压交流真空馈电开关设备数据表
EtherNet/IP communication interface and protocol of mechanical and electrical equipment in fully mechanized coal mining face—Part 8:Device profile of vacuum feeder switchgear for low voltage alternate circuit