天气预报15天查询> 其他> 钨钢手表会掉色吗

钨钢手表会掉色吗

更新时间: 2020-11-07 00:00:00     

钨钢手表一般不会掉色。钨钢的成分主要是碳化钨与钴的结合,不容易被氧化,所以不会掉色。钨钢的基体由两部分组成:一部分是硬化相;另一部分是粘结金属。粘结金属一般是铁族金属,常用的是钴、镍。因此就有了钨钴合金、钨镍合金及钨钛钴合金。

关键词: 钨钢 手表 掉色

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-735378/ | 耗时:0.5868 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=735378 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=735378 LIMIT 0,1
select * from tbl_Articles_sphinx where id=735378 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1074350,1068700,1067890,1101611,1057018,1045603,1108229,1074232,1103047,1117017,1056836,1044851,1102650,1074700,1096493,1080098,1048564,1095157,1102262,1082069,1062240,1062915,1110504,1097669,1115175,1099303,1078677,1095716,1058593,1070212) ORDER BY field (ArticleID,1074350,1068700,1067890,1101611,1057018,1045603,1108229,1074232,1103047,1117017,1056836,1044851,1102650,1074700,1096493,1080098,1048564,1095157,1102262,1082069,1062240,1062915,1110504,1097669,1115175,1099303,1078677,1095716,1058593,1070212)