To test the site electricity conductivity according to the grid, and provide the information for the grounding and lightening proof design.

按网格进行场地导电性能测试，为接地、防雷设计提供依据。

youdao

To test the site electricity conductivity according to the grid, and provide the information for the grounding and lightening proof design.

按网格进行场地导电性能测试，为接地、防雷设计提供依据。

youdao