空气门（或称空气幕、风幕机、风闸、风门）是一种机械装置，一般装在门上，可将室内与室外的空气做隔绝，达到防止灰尘，节省冷气的效果。在超市、百货公司等地方有时可看到此装置存在。
... 补氢门 hydrogen supply valve 空气门 air valve 真空破坏阀 vacuum breaking valve, vacuum breaker ...
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混合空气门 air mix door
自闭合空气门 [建] self-closing air-door
空气阀门 Air valves ; Air ales ; Air r valves
旁路空气门 air-bypass door
空气压缩机阀门 air-compressor valve ; compressor valve
空气活门 air register ; [机] air vent valve
放空气门 air vent valve
空气节气门 Air throttle valve
强制的空气装置气门 FORCED AIR DRIVED DAMPER ; Forced Air Driver Damper
因此，亦称风帘机、空气幕、空气风幕机、风闸、空气门，电热风幕就是采用电加热的风幕机。
Therefore, also known as the wind curtain machine, air curtain, air curtain machine, air brake, air door, air curtain machine electric air curtain is the use of electric heating.
视需要旋转并将真空引动器倾斜以放松循环空气门连杆末端上的勾销放松引动器连接末端上的孔。
Rotate and tilt the vacuum actuator as required to disengage the hole on the end of the actuator link from the hooked pin on the end of the recirculation air door lever.
空气通过空气滤清器进入发动机，并进入节气门。
Air enters the engine through the air cleaner and proceeds to the throttle plate.
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