而往上走3层便是安全处理公司的办公室，那里正在研发电脑网络安全软件。

And go up three layers of security is dealing with the company's office, there are developing the computer network security software.

youdao

而往上走3层便是安全处理公司的办公室，那里正在研发电脑网络安全软件。

And go up three layers of security is dealing with the company's office, there are developing the computer network security software.

youdao