What does L-L stand for?

L-L stands for "Line-to-Line"

How to abbreviate "Line-to-Line"?

"Line-to-Line" can be abbreviated as L-L

What is the meaning of L-L abbreviation?

The meaning of L-L abbreviation is "Line-to-Line"

What does L-L mean?

L-L as abbreviation means "Line-to-Line"