短語詞組短語wall foundation beam 牆下基礎(chǔ)梁postpositional wall -beam 後置牆梁simple wall -beam 簡支牆梁wall -beam 牆梁Shear wall even beam 剪力牆連梁continuous wall -beam 連續(xù)牆梁thin wall box beam 薄壁箱梁 返回 wall beam