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Which part of the alarm system consists of?
Source:    Publication time:2017-12-20 18:31:10    Number of visits:

Simple alarm system consists of front detector, intermediate transmission part and alarm host. Larger system can also be the detector and the alarm host as the front-end part, from the alarm host to the alarm plane is the transmission between the part of the central alarm section is seen as the back-end part.

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