便易安装：将两座建筑顶端的红外线激光收发器简单地连接起来，然后将它们调整成行即可。

It is easy to set up: simply hook up infra-red laser transceivers on top of two buildings and then align them.

youdao

便易安装：将两座建筑顶端的红外线激光收发器简单地连接起来，然后将它们调整成行即可。

It is easy to set up: simply hook up infra-red laser transceivers on top of two buildings and then align them.

youdao