Lefatše le tsotehang la boholo ba liphaephe: li-acronyms IPS, NPS, ID, DN, NB, SCH, SRL, DRL li bolela?
1.DN ke mantsoe a Europe a bolelang "bophahamo bo tloaelehileng", bo lekanang le NPS, DN ke NPS makhetlo a 25 (mohlala NPS 4=DN 4X25= DN 100).
2.NB e bolela "bore ka lebitso", ID e bolela "diameter ea ka hare".
3.SRL LE DRL(Bolelele ba Pipe)
SRL LE DRL ke mantsoe a amanang le bolelele ba liphaephe. SRL e emetse "single random length", DRL bakeng sa "double random length"
Liphaephe tsa a.SRL li na le bolelele ba 'nete pakeng tsa 5 le 7 metres (e leng "random").
Liphaephe tsa b.DRL li na le bolelele ba 'nete pakeng tsa limithara tse 11-13.
Nako ea poso: Aug-16-2020