... framing scaffold 脚手架 free area of screen 筛的有效面积 free bearing 自由端轴承 ...
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结果表明,采用阶段焙烧法脱模板剂可以有效的抑制分子筛脱铝,更好的保持分子筛原始结晶态和比表面积;
The results showed that stage-by-stage calcination could prevent effectively the molecular sieves from eliminating aluminum and keep well the original crystallites and the specific surface area.
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