1.洁净处理

1. clean treatment

针对风管养护的基本任务就是维持表面的洁净，尤其在雨季以及雪天必须做好充分的保护工作才行。

The basic task of air duct maintenance is to maintain surface cleanliness, especially in rainy and snowy days.

2.钢板网安装

2. steel plate net installation

在系统运行之前，钢板网是必须安装的，这可以极大的减少杂物进入其中的机会，保证基本的应用需求。

Before the operation of the system, the steel plate net must be installed, which can greatly reduce the chance for the debris to enter and ensure the basic application requirements.

3.加设套管

3. adding casing

按照设计要求，在穿越沉降缝的时候最好在风管外层添加套管，这样可以使其密封性得到进一步的加强。

According to the design requirements, it is best to add bushing to the outer layer of the duct when crossing the settlement joint, so that its tightness can be further strengthened.

4.避免刮伤的情况

4. avoid scraping

在安装以及运输的时候，这一问题是需要加以注意的，一旦出现表面挂上的情况也会导致产品性能的下降。

When installing and transporting, this problem needs to be noticed. Once the surface hanging occurs, the performance of the product will also decline.