#今日冷知识 穿斗是因为一榀构架由穿枋横向贯穿，榀与榀之间用斗枋连接，每一榀构架从上到下是椽，檩（人字的那个），柱，枋类似连接梁，不受力
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
