A.離地不小于200mm B.離地小于100mm C.間隔小于90mm D.間隔不小于110mm
A.2.0~2.5mm B.1.5~2.0mm C.1.0~1.5mm D.0.5~1.0mm
A.加工鋼筋的原材料 B.焊接材料 C.尚未彎曲成型的鋼筋 D.成品鋼筋