帮忙翻译下面一段话? an increased rate of rgb catalyst activity not accompanied by a loss of activity in the other catalyst beds can be an indication that basic compound impurities are not being removed by the benzene treater molecular sieve beds rgb(再生保护床层)催化剂活性增加,同时其他床层的催化剂活性并没有减弱,这说明原料中的碱性杂质并没有在苯精制器分子筛中被脱处。 仅从字面上翻译,不太理解为什么rgb(再生保护床层)催化剂活性增加,同时其他床层的催化剂活性并没有减弱,希望得到解释查看更多