风扇和空气过滤器是另一个干扰源，因此有的宇航员会戴耳塞，挡住这些持续不断的嗡嗡声。
Fans and air filters add to the distractions, so some astronauts wear ear plugs to block out the constant hum.
罐中的风扇使空气流过过滤器，这样净化的空气通过软管达到面具。
The canister USES a fan to force air through the filter, and then the purified air runs through a hose to the mask.
如果您的车辆使用条件极为尘土飞扬，你可以选择装备绞盘冷却风扇的高性能过滤器。
If your vehicle is used in extremely dusty conditions you can choose to equip the winch cooling fan with a high performance filter.
浮动式边刷，可调整式主刷，大垃圾挡板，操作计时器，吸入风扇切断装置，专利保护过滤器除尘系统，移动式尘箱。
Bulk waste flap, mobile container, operating hour meter, patented filter shaker system, roller brush, justierbar, side brush, pendelnd, suction fan cut - out.
潮湿的空气在卷入风扇之前，先通过过滤器。
Moist air passes through the filter before it is drawn into the fan.
过滤器风扇的使用可提供外壳一个最佳的温度环境。
Filter fans are used to provide an optimum climate in enclosures.
油脂过滤器在热风扇的后面。
油脂过滤器在热风扇的后面。
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