扣件式钢管支架立杆底端应设置底座和通长木垫板,垫板的长度应大于2个立杆间距,。
(A)板厚不应小于50mm,板宽小应小于100mm
(B)板厚不应小于50mm,板宽小应小于200mm
(C)板厚不应小于30mm,板宽小应小于100mm
(D)板厚不应小于30mm,板宽小应小于200mm
参考答案
继续答题:下一题
(A)板厚不应小于50mm,板宽小应小于100mm
(B)板厚不应小于50mm,板宽小应小于200mm
(C)板厚不应小于30mm,板宽小应小于100mm
(D)板厚不应小于30mm,板宽小应小于200mm