Guard Catalyst(保护催化剂), 此释义来源于网络辞典。
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guard against error catalyst 保护催化剂
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Development, production, and commercial application of the FZC serial residue hydrotreating guard assistant and demetallization catalyst were introduced.
介绍了FZC系列渣油加氢保护剂和脱金属催化剂的研制、生产和工业应用。
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