They installed a light fixture and trestle table and added wainscotting.

他们安装了灯具和支架台，添加了一些壁板材料。

youdao

In the formal dining room (originally the home's living room), they installed a light fixture and trestle table and added wainscotting and coffering on the ceiling and walls.

在正餐厅（原家的客厅），他们安装的灯具和壁炉以及壁板和格子平顶在餐厅的墙壁和天花板。

youdao

There has been much talk of late about Gessler we Francuskim, too, run by TV chef Adam Gessler since 2011, where bare plaster walls give an urban edge to an otherwise grand, high-ceilinged setting, with dark wood wainscotting, crisp white linen tablecloths and brass light fittings.

BBC: A taste of Krakow