What does ZL stand for?

ZL stands for "Z-axis of Spacelab"

How to abbreviate "Z-axis of Spacelab"?

"Z-axis of Spacelab" can be abbreviated as ZL

What is the meaning of ZL abbreviation?

The meaning of ZL abbreviation is "Z-axis of Spacelab"

What does ZL mean?

ZL as abbreviation means "Z-axis of Spacelab"