A、remote operated valve
B、fusible link
C、CO2 system pressure switch
D、heat or smoke detector
更多“Automatic fire dampers in ventilation systems are operated by a（）.”相关的问题
A、A.Manual fire detection system B、B.Automatic fire detection system C、C.Smoke detection system D、D.Watchman's supervisory system
A、clear bgp damping B、clear bgp neighbor C、clear bgp neighbor damp D、clear protocol bgp damp
A、Device Setup→Basic Setup→Damp B、Device Setup→Damp→Basic Setup C、Basic Setup→Damp→Device Setup D、Basic Setup→Device Setup→Damp
A、clear bgp damping B、clear bgp neighbor C、clear bgp neighbor damp D、clear protocol bgp damp
A、extinguish the fire which triggers it B、limit the spread of fire and control the amount of heat produced C、protect people in the areas which have sprinkler heads D、alert the crew to the fire
A、Automatic sprinkler system B、Steam smothering system C、Dry chemical system D、Carbon dioxide system
A、remotely operated valves B、fusible links C、C02 system pressure switches D、heat or smoke detectors
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