What does htr stand for?
htr stands for "Hybrid Tandem Rotor"
How to abbreviate "Hybrid Tandem Rotor"?
"Hybrid Tandem Rotor" can be abbreviated as htr
What is the meaning of htr abbreviation?
The meaning of htr abbreviation is "Hybrid Tandem Rotor"
What does htr mean?
htr as abbreviation means "Hybrid Tandem Rotor"
