In the still air, smoke could be seen curling up from the chimney.
在无风的天气里，可以看到烟从烟囱中缭绕升起。
The chimney is puffing dense smoke into the air.
那烟囱正向空中排放浓烟。
An air tank and a chimney that was removed to a circumference are left.
机车的周围放在空气筒，烟筒等等。
An air tank and a chimney that was removed to a circumference are left.
机车的周围放在空气筒，烟筒等等。
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