供应家用煤气报警器
tible gas detector，flammable gas detector，Manual call point, conventional system detectors, fire alarm control panel, sounders, beacons, horn, siren, strobe light with horn, strobe, flashing light，wireless detector, radio link smoke alarm, hardwired smoke alarm, conventional smoke detector, addressable smoke detector, addressable fire alarm systems,2 wire smoke alarm, 4 wire smoke alarm
PW-936天然气报警器，探测器主要用于监测空气中燃气浓度的含量，当空气中燃气浓度达到或超过预设的报警值时，PW-936家用天然气
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