Coal-smoke air pollution is the main type of air pollution in China.
煤烟型大气污染是中国大气污染的主要类型。
The type of air pollution in Yinchuan is coal-burning pattern.
银川市空气污染类型为煤烟型污染。
This type of air state is called pollen pollution.
空气花粉污染引起的疾病称为花粉症，即花粉过敏性反应。
This type of air state is called pollen pollution.
空气花粉污染引起的疾病称为花粉症，即花粉过敏性反应。
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