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工作学习 / 外语学习 / 请帮忙翻译一下：my subject is to study the structure and composition of the coke which deposited on the industrial fixed bed residue hydrotreating catalyst, in short, my main work is to characterize catalysts by different instrumental analysis methods.
-garden2012(garden2012);
2013-3-13
(#8097952@0)