A new steel-concrete composite structure was proposed which composed of steel box beam, PC beam and PBH Shear connection.
提出了一种新型钢砼组合结构——钢箱砼组合受弯构件,该构件由钢箱梁,钢筋混凝土梁及pbh剪力连接件组合。
Average type beam drill is composed of base, inside and outside column, rocker arm, main spindle box and job.
普通型摇臂钻床由底座、内外立柱、摇臂、主轴箱及工作组成。
The cast-in-place concrete Fabricated Hollow-ribbed floor is composed by the reinforced concrete beam, the rib beam and the hollow box.
现浇钢筋混凝土双向密肋空腔楼盖由空心箱体、现浇钢筋混凝土密肋梁、现浇钢筋混凝土框架梁构成,空心箱体与密肋梁同高。