In the event of a vent fan failure, an alarm is initiated.
出现排气扇故障情况时，将出现报警。
An optional backup vent fan operates in the event of a primary vent fan failure.
如果主排气扇出现故障，则备用排气扇将启动。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
Vent - Consider using a fan and outside air to cool your home.
发泄-考虑利用风扇和室外空气冷却，你的家。
Fan, pump, air duct, water pipe, vent.
风机，水泵，风道，水管，风口。
Buy some copper screen and cut out pieces to go over all vent openings and the fan exhaust hole.
购买一些编织铜网，割成片状，包裹所有的机箱开口和散热风扇孔。
Buy some copper screen and cut out pieces to go over all vent openings and the fan exhaust hole.
购买一些编织铜网，割成片状，包裹所有的机箱开口和散热风扇孔。
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