Wipe out the residual dust around the air outlet.
抹取出风口处残留脏物。
And the door is the air port, but also the outlet.
而且门是气口，也是风口。
Must ensure that the load is not higher than the height of the air outlet.
一定要保证装载货物高度不高于出风口的平衡高度。
The cooling tower should not be placed at outlet of high temperature air of kitchen.
不应把冷却塔设置在厨房等排风口有高温空气出口的地方。
The cooling tower should not be placed at outlet of high temperature air of kitchen.
不应把冷却塔设置在厨房等排风口有高温空气出口的地方。
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