sloping beam造句

• The rafters, by the way, are the sloping beams that hold up the roof.
• The chords ( the vertical and sloping beams ) fit within a flange ( a U-shaped, single-piece, cast steel plate ) which is battened to the arc of the truss.
• A . Taking the insulation from between the rafters ( the sloping beams holding up the roof ) is a good idea because it is doing little good there; heat is being lost through the floor and is being stored in the attic; in other words you are heating the attic for no good purpose.