slanted rafters with straining beam
vì kèo dốc có xà ngang
slanted rafters with straining beam, binder, boom, brace, cantilever, collar beam, cross arm
vì kèo dốc có xà ngang
slanted rafters with straining beam, suspension bracket, top rail, transverse, transverse beam, transverse girder, transverse member, traverse
vì kèo dốc có xà ngang