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titanium family elements 钛族元素
titanium family element 钛族元素
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The catalyst varieties such as antimony, germanium and titanium family used in PET plant and their advantages and disadvantages in PET production were introduced.
介绍聚酯装置中催化剂的种类：锑系催化剂、锗系催化剂和钛系催化剂及它们在聚酯生产中应用的优缺点。
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