The dividing principle and characteristics of the system sections was described; 2.
The dividing principle and characteristics of the system sections was described; 2.
具体内容：(1)介绍了除尘系统的分段原则及其特点。
The dividing principle and characteristics of the system sections was described; 2.
具体内容：(1)介绍了除尘系统的分段原则及其特点。