The results indicated that DQ catalyst possessed better operating property, higher productive efficiency and stronger ability to withstand the impurities in the propylene stock.
结果表明，DQ型球形催化剂操作性能好，生产效率高，对丙烯原料适应性强；
The results indicated that DQ catalyst possessed better operating property, higher productive efficiency and stronger ability to withstand the impurities in the propylene stock.
结果表明，DQ型球形催化剂操作性能好，生产效率高，对丙烯原料适应性强；
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