Posted by(ÀÛ¼ºÇϽŠºÐ) rex ( August 08, 2000 at 14:17:56: )
In Reply to(¿ø¹®) : MUD flow measurement
posted by(¿ø¹® ÀÛ¼ºÀÚ) : Enrique Bara on August 05, 2000 at 05:03:22:
I think this url may be helpful to you.
http://www.regional.niagara.on.ca/departments/works/water/pipe_insp.html
Closed Circuit Television Inspection of Regional Trunk Sewers