difference in the pressure drop 关于催化剂的问题? 原文让人看不懂: thus the difference in the pressure drop between loosely packed bed and a closely packed bed is roughly in the ratio 0.93 to 11 m3, or about 1.0 to 1.4. 疑问: 1. 此句主语是压降差,不是空隙; 2. ratio 0.93 to 11 m3 不理解。 3. 空隙的单位是m3(立方米)吗?那是以多少催化剂装量为基准的? 查看更多