A.80KN/m2B.130KN/m2C.110KN/m2D.90KN/m2
A.150KN/m2B.70KN/m2C.0KN/m2D.30KN/m2
A.冷扎带肋钢筋B.冷拉钢筋C.热扎带肋钢筋D.预应力钢筋