Chemical engineering News, 1992 "Overall, ECT is well written and cleanly edited, and no library claiming to be a useful resource for chemical engineering professionals should be without it."
化学工程新闻，1992“总起来，ECT被写并且整洁编辑得好，以及没有图书馆声称是化学工程专业人士的一种有用的资源应该没有它。”
Chemical engineering News, 1992 "Overall, ECT is well written and cleanly edited, and no library claiming to be a useful resource for chemical engineering professionals should be without it."
化学工程新闻，1992“总起来，ECT被写并且整洁编辑得好，以及没有图书馆声称是化学工程专业人士的一种有用的资源应该没有它。”
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