其他 返回
天气预报 > 其他 > 如何鉴别K金戒指
如何鉴别K金戒指
更新时间： 2020-11-07 00:00:00  

鉴别K金戒指的方法：K金是金与其他金属的合金，比如银、铜、锌、镍等。18K金的含金量为75%，其他金属的含量总共为25%。鉴别K金和足金有两个简便的方法，一是硬度，二是弹性。K金的硬度比足金硬，足金越纯越软，用牙齿可以咬出痕迹，而K金则不行。K金戒指落在地面上，有很强的反弹性，而足金戒指落在地面上，没有这种表现。

关键词： 如何 鉴别 戒指

如何鉴别K金戒指相关经验

天气预报

最新推荐

页面:/news/view-2461915/ | 耗时:0.3956 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2461915 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2461915 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2461915 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2737145,1677956,590877,2457814,1062158,1052849,1921163,158356,2975783,3013844,1494101,1291692,2336312,946956,1601302,1073820,2295726,1073276,265545,2423802,2210673,1047827,1050623,1130162,2150735,1070558,2079286,2845418,2646901,458258) ORDER BY field (ArticleID,2737145,1677956,590877,2457814,1062158,1052849,1921163,158356,2975783,3013844,1494101,1291692,2336312,946956,1601302,1073820,2295726,1073276,265545,2423802,2210673,1047827,1050623,1130162,2150735,1070558,2079286,2845418,2646901,458258)