精品久久精品久久,久久综合免费视频,亚洲综合图色40p,欧美午夜精品久久久久免费视,99久久精品免费看国产情侣,永久久久精品人人做人人爽,久久免费高清视频

Welcome to Jiaozuo Libo Light Alloy Co., Ltd.

Aluminum alloy sacrificial anode

magnesium anode, zinc anode

Telephone:

0391-7588881 +8618739187123

Jiaozuo Libo Light Alloy Co., Ltd.

News

News

Contact

Phone:18739187123

hotline:0391-7588881

E-mail:970512272@qq.com

Address:Wuzhi County, Jiaozuo City, China

Q & A

City gas medium pressure pipeline cathodic protection test pile should be how many meters a

  • Author:Libo
  • Source:wmiltownv.com
  • Date:2021-06-11
  • Click:0

The setting principle of urban pipe network test pile is generally: 1 potential test pile/km; 1 current test pile / 10km; When crossing the road, railway, village, etc., the current test pile shall be set up as required.

Online
聯(lián)系方式

熱線電話(huà)

18739187123

上班時(shí)間

周一到周五

公司電話(huà)

0391-7588881

旬阳县| 海阳市| 屯门区| 和平区| 通江县| 河津市| 温宿县| 孝昌县| 丰宁| 昭苏县| 什邡市| 什邡市| 浦城县| 祁阳县| 河南省| 阿瓦提县| 且末县| 日照市| 全椒县| 山阳县| 高阳县| 和顺县| 新邵县| 开鲁县| 绩溪县| 昆山市| 泰宁县| 驻马店市| 绥阳县| 乌恰县| 奉节县| 开封县| 东港市| 大英县| 广元市| 平阴县| 绥棱县| 剑川县| 丹阳市| 商都县| 无棣县|