/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: wuqingtpl https://cdn.slidesharecdn.com/profile-photo-wuqingtpl-48x48.jpg?cb=1726033407 I have been studying rail vehicles (mainly heavy haul vehicles )since undergraduate stage, and they fascinate me. The future research will also be oriented to this field, I am eager to learn more.