低电阻接地系统的高压配电电气装置，其保护接地的接地电阻应符合下列哪项公式的要求，且不应大于下列哪项数值（）。
A、≤2000/IGB
暂无解析
Benefitssystem
We'dliketoexpressourdesiretoestablishbusinessrelationshipwithyouonthebasisofquality,mutualbenefitandexchangeofneededgoods.
OnOpenPolicy
Shonahaslearntfromtheresearchprojectthat____.
Forexample,itisestimatedthatSASturnoverrateis4percentcomparedtotheindustrynormofmorethan20percentperyear.
