天气预报15天查询> 其他> 不锈钢导电性强还是铜导电性强

不锈钢导电性强还是铜导电性强

更新时间: 2020-10-02 00:00:00     

1、纯铜是柔软的金属,表面刚切开时为红橙色带金属光泽,单质呈紫红色,延展性好,导热性和导电性高,因此在电缆和电气、电子元件是最常用的材料,也可用作建筑材料,可以组成众多种合金;

2、不锈钢是不锈耐酸钢的简称,耐空气、蒸汽、水等弱腐蚀介质或具有不锈性的钢种称为不锈钢,不锈钢耐腐蚀性能较好,但导电性能较差。

关键词: 不锈钢 导电性 还是

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-128058/ | 耗时:0.9951 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=128058 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=128058 LIMIT 0,1
select * from tbl_Articles_sphinx where id=128058 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(415367,676006,2852140,526749,176911,126032,368464,432645,266509,909456,272865,1329723,449312,337802,1275588,847723,664585,304684,2828047,2410461,1121397,1095568,1097037,676582,310612,806395,290934,698183,863907,224298) ORDER BY field (ArticleID,415367,676006,2852140,526749,176911,126032,368464,432645,266509,909456,272865,1329723,449312,337802,1275588,847723,664585,304684,2828047,2410461,1121397,1095568,1097037,676582,310612,806395,290934,698183,863907,224298)