Questions & Answers about Ovo je puknuće cijevi.
Word by word:
- Ovo = this
- je = is
- puknuće = rupture / burst / break
- cijevi = of the pipe or of a pipe
So the sentence is literally:
- This is a rupture of the pipe
- more naturally in English: This is a pipe rupture / This is a burst pipe situation
The exact English wording depends on context.