1. In reaction process P-zeolite first appears the short column crystal and then the crystal pattern changes from short column to rhombohedron with reaction time lasting.
在反应过程中，P沸石首先呈短柱状结晶，随着反应时间延长，结晶形态发生变化，由短柱状向菱面体过渡。
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2. In reaction process P-zeolite first appears the short column crystal and then the crystal pattern changes from short column to rhombohedron with reaction time lasting.
