측면 중앙 기둥에서 뻗어온 충량은 퇴보와 함께 결구되는데 장혀는 기둥의 사갈에서 짜이고 퇴보와 충량은 주두위에서 옆을장으로 결구되었다.
The crossbeam extending from the central column on the side was entwined with the patio beam and the beam-supporting strip was woven at the frame of the pillar, and the patio beam and crossbeam were enclosed from the head to the side.