Xiaojun LIN (CHN) donated and signed the helmet he wore during the Short Track Speed Skating Men's and Mixed Team Relay.
林孝埈（中国）捐赠并签名了他在短道速滑男子和混合团体接力期间佩戴的头盔

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看了一下是奥委会的官方博物馆，位于瑞士洛桑 ​