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电气火灾监控
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电气火灾监控
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火灾监控
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electrical fire monitoring system
电气火灾监控
用于监测和保护低压供配电系统的电气线路及电气设备,当被保护电气线路及设备中的被探测参数(如剩余电流、温度、故障电弧等参数)超过报警设定值时,能发出报警信号并能指示报警部位的系统。
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National Negro Convention
National News Agency
National Newspaper of Radio, Film and television Excellent Manuscript selection
National New Technology Telescope
National Northwest Library
National Northwest Union University
National Nuclear Laboratory
National Nuclear Safety Administration
national nutrition week
National Observatory of Athens
national occupational health standard
national occupational health standards
national occupational health supervision and management system
National Oceanic and Atmospheric Administration
National Oceanic and Atmospheric Administration(US)
National Oceanic Resource Management Authority
National Oceanic Survey
National Oceanography Centre
National Office for Planning of Arts and Sciences
national office for promoting the rise of central China
National office of Water Conservation
National Olympic Committees,NOC
National Olympic Sports Centre
National Open University Audio & Visual Press
National Open University Press
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