第1个回答 2023-06-25
220V不是高压,仅仅数举是民用电压蠢竖,其安全距薯档碧离只有几公分.220V电线在地下敷设其深度应当低于当地冻土层,或穿管敷设.[hallo.20s10r.cn/article/627318.html]
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