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为了了解长江客轮客舱环境卫生质量状况,以及为《公共交通工具卫生标准的修订和客轮卫生设计标准提供数据,我站于
In order to understand the quality of environmental hygiene in the cabin of the Yangtze River ferry and to provide data for the revision of the hygienic standards for public transport and the standards for the design of the passenger liner hygiene service,