Warning: file_put_contents(): Only 0 of 6298 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 bottom filler是什么意思，bottom filler的翻译，bottom filler音标、读音、用法和例句_沉淀汉英词典
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