Transportation during the Spring Festival, called chunyun in Chinese, is an annual test on China's transportation systems.
中国人将“春节期间的运输”简称为“春运”，它是对中国交通运输系统的年度考验。
During the Spring Festival travel rush in 2008, the freezing weather wreaked havoc by cutting transportation and stranding passengers heading for home.
2008年春运期间，冰冷的天气造成了极大的破坏。交通中断，返乡的旅客被困在了在路上。
Objective To study the main distinctions of the ambient air quality in the different kinds compartments of the passenger train during the Spring Festival Transportation.
目的了解春运期间不同类别旅客列车车厢环境空气质量差异。
Objective To study the main distinctions of the ambient air quality in the different kinds compartments of the passenger train during the Spring Festival Transportation.
目的了解春运期间不同类别旅客列车车厢环境空气质量差异。
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