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磁开关探测器
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磁开关探测器
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入侵探测器
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magnetic switch detector
磁开关探测器
通过磁场来控制开关的探测器,属于点控制型入侵探测器。由开关盒和磁铁盒构成;当磁铁盒相对于开关盒移开至一定距离时,能引起开关状态变化,控制相关电路发出报警信号。又称门磁、窗磁。
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electrical engineering method
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electrical fire monitoring system
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Electrical geophysical prospecting methods in Engineering
electrical governor
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electrical image method
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electrical impedance tomography, EIT
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