o ne len öyle şebeke su borusu gibi sağlam

 I`m not sure about the

o ne len.maybe it`s what the heck is that, or what is this length?

 like the water system network

my try

"strong like a pipe of the water system network" is correct

o ne len öyle---o ne lan öyle

It means "What is that" , lan is a informal and rude word even it is not a word in my opinon

It is a way to call a person like

"Ne yapıyorsun lan?" What are you doing lan?

People can say this word with anger or in a likeable way. 

It can be also "len" "la" "lo" 

"öyle" is a word that whether you use or not the idea of the sentence does not change