词汇	heptahedra
释义	heptahedra n.七面体heptahedron的变形
随便看	catalyst-oil mixing heat catalyst-oil mixing temperature catalystoil ratio catalyst oil ratio catalyst-oil ratio catalyst-oil separation catalystoil suspension catalyst oil suspension catalyst-oil suspension catalystonstream time catalyst on stream time catalyst oven catalyst oxidation cataly st oxidation catalyst pack catalystpacked column catalyst packed column catalyst-packed column catalyst packing catalyst packing height catalyst partial oxidation catalyst particle catalyst particle size determination catalyst particle size determlnation catalyst passivation