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通过对近年来旅行性精神障碍高发病率的９８／９７次旅客列车硬座车厢空气污染状况的调研及乌局有关资料总结，提出了改善冬季长途旅客列车硬座车厢空气质量的净化措施，概述了净化措施的原理及主要内容。该方案的实施可有效地改善由于旅客列车硬座车厢在冬季尤其是春运期间车窗关闭，严重超员所造成的车厢空气质量恶化。
Based on the investigation of the air pollution of 98/97 passenger train hardcarts and the summary of relevant data, this paper put forward the measures to purify the air quality of the hardcarts in winter long-distance passenger train, The principle and main content of the measure. The implementation of the scheme can effectively improve the air quality deterioration of cabin due to serious overcrowding due to the windows closed during the winter, especially during the Spring Festival.