In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.Wires criss-cross between the tops of the poles, forming a grid.电线杆顶端的电线相互交错，形成电线网。Gri...
Wires criss-cross between the tops of the poles, forming a grid.电线杆顶端的电线相互交错，形成电线网。Many canals were built along map grid lines.很多运河是按照地图上的坐标线开凿的。New York's grid of streets纽约棋盘式的街道布局...