c type steel造句

• The system is composed with concrete filled cold - formed square steel tube column , the beam with two cold formed c type steel welded together back to back , the slab with profiled - steel and concrete , the beam and the slab joined into composite steel - concrete beam . they all together make up of the bearing members . and the house also includes the light economical - energy sources heatproof walls
  该体系是以冷弯薄壁方钢管混凝土为柱、冷弯薄壁c型钢背靠背高频焊接组成工字型梁、压型钢板上现浇筑混凝土组成组合楼板并与梁一起构成组合梁作为承重构件，以轻质节能保温型墙体作为围护结构组成。