求翻译：中国机械工程学会摩擦学分会在江苏徐州中国矿业大学召开了2012年全国青年摩擦学学术会议暨第六届生物摩擦学与内植物工程学术研讨会。是什么意思？

Chinese Mechanical Engineering Society of Tribology in Xuzhou, Jiangsu Branch of China University of Mining held the 2012 National Youth Conference on Tribology and the Sixth Biological Engineering Tribology Symposium with the plant.

Chinese Society of Mechanical Engineering friction credits in jiangsu xuzhou, China University of Mining at the 2012 National Youth friction academic symposium and the 6th biological friction with the Plant Engineering academic seminars.

Chinese Mechanical engineering Academic society Tribology Branch convened in 2012 in Jiangsu Hsuchou China Mining industry University the national youth tribology academic conference and the sixth session of biological tribology and in the plant project academic seminar.

Tribology branch of China mechanical engineering Association, held in Xuzhou, Jiangsu, China University of mining in 2012 National Conference on Tribology of youth and the sixth Symposium on bio-Tribology and plant engineering.

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