煤矿安全监察系统 coal mine safety supervision system

矿务与石矿监督 Supervisors Mining and Quarrying ; Supervisors, Mining and Quarrying

矿山监察员 mine inspector

煤矿监控 mine video- monitoring system

矿山监察局 mine inspection office ; mine i ection office

煤矿安全监控系统 coal mine safety monitoring system ; supervision system of coal mine safety

采矿、采石监管 Supervisors, Mining and Quarrying

矿压监测 ground pressure monitoring ; rock pressure detection

煤矿安全监控联网系统 XTCSS

煤矿安全监察 Coal Mine Safety Supervision