多项选择题
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
A.JP柜托担 B.高压引线担 C.避雷器担 D.熔断器担
A.P-20T绝缘子 B.FPQ2-10T/20绝缘子 C.预应力水泥杆(10m,150mm,I) D.预应力水泥杆(12m,190mm,I)