With all its disadvantages, the new design they have submitt With all its disadvantages, the new design they have submitted should still be c 分类:会计电算化 题型:单选题 查看答案
高强度螺栓紧固中,施拧及检验用的扭矩扳手在班前应进行校正标定,班后校验,施拧扳手扭矩精度误差不应大于( )。 高强度螺栓紧固中,施拧及检验用的扭矩扳手在班前应进行校正标定,班后校验,施拧扳手扭矩精度误差不应大于( )。A.5% B.10% C.15% D.25% 分类:会计电算化 题型:单选题 查看答案
屋面坡度在( )时,卷材可平行或垂直屋脊铺贴。 屋面坡度在( )时,卷材可平行或垂直屋脊铺贴。A.16%~17% B.16%~20% C.18%~23% D.3%~15% 分类:会计电算化 题型:单选题 查看答案