天气预报15天查询> 家居> 为什么进户线要用铝线

为什么进户线要用铝线

更新时间: 2020-10-13 16:47:45     

因为户外的高压线路的电流是比较小的,所以只需要满足线路的负荷就可以了,铝线比铜线的韧性要好很多,而且再价格这方面也是比较便宜的,所以户外线选择铝线就可以了,是没有必要选择价格比较高的铜线的。

关键词: 为什么 铝线

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3546344/ | 耗时:0.7379 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3546344 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3546344 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3546344 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3541309,3540833,3548628,1152958,3543441,3529446,106925,3543036,101644,3527598,3529653,3546444,3527123,3529747,3529876,100401,1225975,522482,3542248,88783,3532236,3529020,1156574,867291,1093271,3533823,1232162,3529514,3529885,3530072) ORDER BY field (ArticleID,3541309,3540833,3548628,1152958,3543441,3529446,106925,3543036,101644,3527598,3529653,3546444,3527123,3529747,3529876,100401,1225975,522482,3542248,88783,3532236,3529020,1156574,867291,1093271,3533823,1232162,3529514,3529885,3530072)