bottom filler
常見例句
- The method of the invention is that: inert fillers without the influence on the reaction are arranged at the bottom parts of each catalyst bed layer of a reactor.
本 發(fā)明方法為：在反應(yīng)器每個催化劑床層的底部裝入對反應(yīng)沒有影響的惰性填料。
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