What does NTF stand for?
NTF stands for "Nitrifying Trickling Filter"
How to abbreviate "Nitrifying Trickling Filter"?
"Nitrifying Trickling Filter" can be abbreviated as NTF
What is the meaning of NTF abbreviation?
The meaning of NTF abbreviation is "Nitrifying Trickling Filter"
What does NTF mean?
NTF as abbreviation means "Nitrifying Trickling Filter"
