The controllers fitted to each site are inexpensive and plug straight into the Internet via an Ethernet router.

安装在每个站点的控制器并不贵，并能通过以太网路由器直接连接到网络。

youdao

The controllers fitted to each site are inexpensive and plug straight into the Internet via an Ethernet router.

安装在每个站点的控制器并不贵，并能通过以太网路由器直接连接到网络。

youdao