多项选择题
A.设计 B.监理 C.物资 D.施工
A.电杆内侧 B.避雷器横担 C.变压器托担 D.JP柜托担
A.预应力,10m,150mm,G B.预应力,12m,190mm,I C.预应力,15m,190mm,I D.预应力,8m,150mm,G