The camera lens focalizer has the advantages of simple structure, convenient installation and low production cost.

该相机聚焦设备的优点是结构简单，安装方便，生产成本低。

youdao

The camera lens focalizer has the advantages of simple structure, convenient installation and low production cost.

该相机聚焦设备的优点是结构简单，安装方便，生产成本低。

youdao