词汇	煤门
释义	煤门医in-seam cross-cut
随便看	catalyst peroxide catalyst plant catalyst poison catalyst poisoning catalyst-polymerization catalyst pore plugging catalyst pore structure catalyst porosity catalyst post-treatment catalyst precursor composition catalyst precursors catalyst preparation catalyst preparation vessel catalyst presulphurization catalyst pretreatment catalyst production catalyst promoter catalyst property catalyst pyrolysis catalyst quality catalyst ratio catalyst reaction catalyst reactivation catalyst receiver catalyst recovery