基本解释n.横梁同根派生 英汉例句Q8:main material of floorbeam hangers should not be coped or notched. built-up hangers should have solid or perforated web plates or lacing. 横梁吊杆的主材料不应搭接或有凹口。装配好的吊杆应该有实心或钻孔的腹板或支撑。