A.HJ403 B.HJ431 C.HJ250 D.HJ350
A.1” B.2” C.3” D.4”
A.110kV鐵塔允許偏差為0.5% B.220~330kV鐵塔允許偏差為0.5% C.110kV鐵塔允許偏差為0.35% D.220~330kV鐵塔允許偏差為0.35%