试题详情

水平接地体的地表面以下开挖深度及接地槽宽度一般分别以()为宜。

A1.0~1.5m,0.5~0.8m

B0.8~1.2m,0.5~0.8m

C0.6~1.Om,0.3~0.4m

D0.6~1.Om,0.5~0.6m