天气预报15天查询> 其他> 埋地管道防腐有几种方式

埋地管道防腐有几种方式

更新时间: 2020-08-20 00:00:00     

目前,用于埋地钢管外防腐的技术主要有石油沥青防腐层、煤焦渍瓷防腐层、聚乙烯胶粘带防腐层、熔结环氧粉未防腐层、二层结构聚乙烯防腐层、三层结构聚烯烃防腐层技术等。

最便宜应用最多的是沥青防腐。

关键词: 管道 防腐 方式

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-3423692/ | 耗时:0.9422 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=3423692 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3423692 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3423692 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1125548,1088802,1092331,1109719,1304882,1069741,1362643,1110021,1111222,1107030,992026,128853,1368939,1128593,1652171,1068220,1086582,2996984,1096354,1128341,1111152,1121564,1126577,384634,1117077,1066594,1083463,1115047,1128521,1084587) ORDER BY field (ArticleID,1125548,1088802,1092331,1109719,1304882,1069741,1362643,1110021,1111222,1107030,992026,128853,1368939,1128593,1652171,1068220,1086582,2996984,1096354,1128341,1111152,1121564,1126577,384634,1117077,1066594,1083463,1115047,1128521,1084587)