單項(xiàng)選擇題冷拔鋼筋過(guò)程中,每道工序的鋼筋冷拔直徑應(yīng)按機(jī)械出廠說(shuō)明書(shū)的規(guī)定選擇,無(wú)資料時(shí),可按每次縮減孔徑()

A.2.0~2.5mm
B.1.5~2.0mm
C.1.0~1.5mm
D.0.5~1.0mm