|
关注:1
2013-05-23 12:21
求翻译: When grounding rod is used, the earth rod shall be firmly buried to the ground to effectively serve the purpose and attain the required protection.是什么意思?![]() ![]() When grounding rod is used, the earth rod shall be firmly buried to the ground to effectively serve the purpose and attain the required protection.
问题补充: |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区