A.盤卷光圓鋼筋 B.熱軋直條鋼筋 C.熱軋直條和盤卷光圓鋼筋 D.定尺光圓鋼筋
A.大于60t B.不大于60t C.不大于40t D.大于40t
A.0.02mm B.0.05mm C.0.01mm D.0.1mm