词汇	松蛇
释义	松蛇 pine snake
随便看	catalyst particle size determlnation catalyst passivation catalyst pellet catalyst per combined feed catalyst performance 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