机身设置有两个进风口和一个出风口，进风口处各设置有活动挡板，可通过开启或关闭挡板实现除沙尘模式及自然换气模式；
Provided with two air inlet and an outlet and inlet settings active bezel, you can open or close the tailgate to achieve besides the dust model and natural ventilation mode;
有的男人可能要不高兴，声称这样给女性的其他“洗手间活动”提供便利是不公平的，比如女人会在厕所里补妆，闲聊，她们还需要额外的挡板来保护隐私。
Curmudgeonly men might argue that it is unfair to subsidise women's other bathroom-based activities, such as fixing make-up or chatting, or the extra privacy of individual toilet stalls.
用活动金属挡板及水封井附加控制阀门封闭油罐组排水沟的方法既不可靠又会使流淌火面积扩大。
The method using movable metal baffle and control valve near water sealed well to block the drain of oil tank group is unreliable and it will widen flowing fire area.
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