An electric fan keeps the air circulating.
电风扇使空气流通。
空气流动。
For example I inhaled air and circulating water cooling tower.
例如空气吸入口及循环水冷却塔等。
Circulating warm air back through the room will heat the room more evenly.
让暖空气在房间中流动可以让房间的温度更均衡。
Thankfully, fresh air began circulating once the train got under way.
谢天谢地，火车启动后新鲜开始空气流通了。
For example, I inhaled air and circulating water cooling tower.
例如空气吸入口及循环水冷却塔等。
For example, I inhaled air and circulating water cooling tower.
例如空气吸入口及循环水冷却塔等。
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