????:1???????????:??????????

2????????

3??????

4?????????????

5????????????

?????????????2???????????????????22?????????????? ???:???????????????“??”???????????

??? ??? ??? ????????????

????????????????????????,???????????

????????,????????(??????????????“???????????”)???“????????????????????”????????????????????500kV??(??????????“500kV GIS????”)???????????????,??,????

“???”???????500kV GIS??????????????????????????????????? ??????????????????????

???????,?????,????“??????????????”????????“???????????????????????”???,“???”?????“???????”,???????????????,???????????????????????????????????360°?????????????????????????????,???????????“??????????”,????????????,??????????,???????????????????????????24???????????

“??????”?????????????????????????????? ?????????????

“?????????????????,500kV GIS??????????????????,??????????????????,??????”??????,??????????,????????????????,??????????????????????????????,???,????????????1.70????,???????

?,??????????????????????????????????????????????????????????,500?????????????????????,??,?????????????

????,??,??????“??????????????????”??????????????????360°??????????????,??????

“???”??(??)???????????

“????????,???????,?7????”?????????????,“???????????????‘????????????????’??,1??,?????,??????????????????,??”

????????????????,???,????????,???,?????????????????????,???,???,?????????????(?????????)

?????:???????????????????????