• 2022-07-29
    ​如图KL1(3A)所示,2轴线支座负筋6C22 4/2,第一排负筋自柱边延伸长度取()mm。‍​[img=429x131]1803d08016e10ac.png[/img]‍
    A: (3600-400 )/3
    B: (3600-400 )/4
    C: (5800-400 )/3
    D: (5800-400 )/4