常見例句雙語例句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)明方法爲:在反應器每個催化劑牀層的底部裝入對反應沒有影響的惰性填料。ip.com 返回 bottom filler