亚洲欧美18v中文字幕高清,亚洲国产精品SUV,毛片TV网站无套内射TV网站 -久久久精品免费_伊人久久成综合久久影院_少妇高潮太爽了在线观看_四虎国产精品成人

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

The principle and measurement method of current test pile in forced current cathodic protection are discussed

  • Author:Libo
  • Source:wwww.dldzspjy.cn
  • Date:2021-06-11
  • Click:0

The current testing pile is used to measure the flow direction and size of the current in the pipeline. It is composed of 4 test wires, two at each end of the measuring pipe section. The length of the pipe section is generally 30m.

Online
聯(lián)系方式

熱線電話

18739187123

上班時間

周一到周五

公司電話

0391-7588881