H ngTi o stringer[purlin] frame in the gable roof or to support the roof rafters or bars. Also known as "linzi"
[truss] in a certain way to form a group member or some combination of triangle triangle (such as the beam, rod, bar), to form a rigid structure (such as in a large area for supporting the load) by force if there is no deformation component of one or more of the whole structure, no deformation
H ngli ng trussThe [brace girder] is composed of a plurality of slats of the web and the two sides of the connection of the girder