Beam-column connections的用法和樣例：
例句
- Most beam-column connections used in multi-story frames are semirigid joints.
半剛性連接是目前高層鋼結構建築中常用的一種樑柱連接形式。 - The ductility of the beam-to-column connections can be improved significantly by removing the backing bar from the structure.
移去焊接襯板，可以有效地改善樑柱連接的受力性能，提高其延性和耗能能力。
