II. Haz según el modelo:

II. Haz según el modelo:

結果 (繁體中文) 1:

二。根據型號製作：

結果 (繁體中文) 2:

This Figure shows the effect of air pollution on transportation, Due to air pollution problems Greatly affects the public transport system because people need to use walking, such as going to stations, crossing the overpass, walking on foot so there is a very bad impact on the health of public transport users.and Untiling travel by plane Due to the poor visibility poses a danger.

結果 (繁體中文) 3:

二.照模型做：