Other problems can come when the plane hits a rocky air stream or rough weather.
当飞机遇到波动气流或坏天气时也可能出现问题。
A steady stream of California traffic clogs the air with pollutants.
加利福尼亚川流不息的车流使空气中充斥着污染物。
We are taking steps to prevent stream and air pollution.
我们正采取措施防止河流和空气污染。
Requirement: Air inlet must start to open when down stream pressure is 1.0 PSI or above.
要求：当下游流体压力在1.0PSI及以上时，空气进口必须开始打开。
A stream of cold air rushed through the open door.
一股冷空气从敞开着的门口窜了进来。
A stream of cold air rushed through the open door.
一股冷空气从敞开着的门口窜了进来。
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