A.11980mmB.12060mmC.12030mmD.12070mm
A.冷軋扭鋼筋B.熱軋帶肋鋼筋C.熱軋光圓鋼筋D.冷軋帶肋鋼筋
A.GB/T1499.1-2017B.GB/T1499.2-2017C.GB/T1499.1-2018D.GB/T1499.2-2018