青云翻译

When the increase in photochemical smog, it will lead to more serious health problems, such as asthma, bronchitis and reduced lung function, increased respiratory infections.

When photochemical smog increases, can cause more serious health problems, such as bronchitis asthma and increased respiratory infections reduced lung function.

When photochemical smog increase, can initiate a more serious healthy problem, for example asthma tracheitis increases the respiratory tract to infect and to decrease the lung function.

When smog increases, it can cause more serious health problems such as asthma, bronchitis and respiratory tract infections increase reduced pulmonary function.

When photochemical smog increases, can cause more serious health problems, such as bronchitis asthma and increased respiratory infections reduced lung function.