Similarly, if it is dusty or there are a lot of other larger particles in the air, this will filter out larger wavelengths, resulting in a red sky and red sun.
同样，如果空气中尘埃比较多，或是空气中有很多其它大颗粒，那么那些较长的光波就会被过滤掉，于是天空就会是红色，太阳也会是红色。
Filter cotton spray baking room the ceiling can filter out most of the dust, and then stick in the clean air into the baking room.
喷塑烤房顶棚上的过滤棉可以过滤掉大多数的尘埃，然后坚持进入烤漆房内空气的清洁。
According to the different use of the situation, to clean the air filter, the method can be used in high pressure air from the inside out, the filter dust blowing out.
依据不一样的运用情况，要定时清洁空气滤芯，可运用的办法有高压空气由里向外吹，把滤芯中的尘埃吹出。
A large column of air will pass through the filter and come out clear, Boersen told AFP on Tuesday, speaking on the sidelines of a major two-day offshore energy conference in Amsterdam.
“一大管空气可以经过过滤器随后净身而出。”波尔森在周二于阿姆斯特丹举行的海洋能源会议的间隙告诉法新社记者。此次会议为期两天。
Oil filter's role is to filter out the air compressor for oil metal particles, the impurities, so as to make into the host is very clean oil, to protect the host safety operation.
油滤芯的作用是滤除空压机专用油中的金属颗粒、杂质等，使进入主机的油是非常干净的，以保护主机安全运行。
Didn't the city of Beijing have to shut down for 12 days to let the poisonous air filter out?
难道北京的城市不能关闭12天，让有毒的空气过滤掉吗？
Remover filter cover and pull the air filter out.
去掉过滤器的盖子拿出空气过滤器。
The air filter's job is to filter out dirt and other foreign particles in the air, preventing them from entering the system and possibly damaging the engine.
空气滤清器的工作是要过滤掉污垢和其它外来颗粒组成，阻止它们进入系统，可能损坏发动机。
The wind less strong or less windows to go out with wet machine to increase air humidity, or the use of air filter.
风强时少外出或少开窗，用潮湿机增加空气湿度，或使用空气滤清器。
The air filter's ability to filter out dust is extremely critical.
空气滤清器的粉尘过滤能力至关重要。
A great number of experiments were carried out on measuring the bacterial removal rate of medium-efficiency filter material in air filters.
通过大量试验，测定了空气过滤器中效滤材的滤菌效率。
But the energy used to separate oxygen from air before burning is almost as great as that needed to filter out nitrogen afterwards, leading to a similar loss of efficiency.
但是燃烧前将氧气从空气中分离所需的能源几乎不亚于上述将氮气过滤所需的耗费，这就使得两者在效率损失上不相上下。
But the energy used to separate oxygen from air before burning is almost as great as that needed to filter out nitrogen afterwards, leading to a similar loss of efficiency.
但是燃烧前将氧气从空气中分离所需的能源几乎不亚于上述将氮气过滤所需的耗费，这就使得两者在效率损失上不相上下。
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