What does OP stand for?
OP stands for "Orifice Plate"
How to abbreviate "Orifice Plate"?
"Orifice Plate" can be abbreviated as OP
What is the meaning of OP abbreviation?
The meaning of OP abbreviation is "Orifice Plate"
What does OP mean?
OP as abbreviation means "Orifice Plate"
