operational safety meaning in Chinese

操作安全性

Mine plans ; operational safety ; ventilation system
矿区平面图.作业安全性.通风系统
Mine plans ; operational safety ; fire prevention on the surface
矿区平面图.作业安全性.地面防火
Mine plans ; operational safety ; fire prevention under the surface
矿区平面图.作业安全性.井下防火
Operational safety and procedures
安全操作和操作程序
Traffic signal controllers - functional and operational safety specifications
交通信号控制器.功能及操作的安全性规范

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