pre-inlet switch 预启按钮
variable air inlet switch 进气道调节系统转换电门
air inlet door position switch 进气门位置电门
air inlet temperature switch 进气温度开关 ; 心电图
air inlet mode selector switch 空气进气模式选择开关
The mains switch is located on the rear cover along with the ac inlet, all the other knobs and jacks are on the front.
电源开关位于后盖一起交流入口，所有其他的旋钮和插孔都在前线。
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。
There are two one-way valves for water inlet and outlet, which cooperates with floating ball in water tank to play switch role.
进出水口有二个单向阀，水箱内置有浮球装置，该装置和二个单向阀共同起开关作用；
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