A 钢筋图中,“<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250217/22664271_0.png"> ”表示无弯钩的钢筋搭接 B
钢筋图中,“<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250217/22664271_0_1.png"> ”表示双层钢筋的底层钢筋 C
冷拉法调直钢筋,其调直冷拉率不等大于 5% D
用同牌号钢筋代换时,其直径变化幅度不宜超过 4mm