hydro-upgrading technology
hydro-upgrading technology
hydro-upgrading技术
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Catalytic hydro-processing is an important technology for residue oil upgrading, but the catalysts are easy to be deactivated due to the deposition of coke and metals on the catalyst surface.
催化加氢处理是渣油裂化加工的重要技术，但焦炭和金属在催化剂上的沉积将降低催化剂的活性。
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