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What does HSLL stand for?

HSLL stands for High Speed Low Level

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

Other Resources:
We have 1 other meaning of HSLL in our Acronym Attic

Samples in periodicals archive:

We were at the end of the deployment, and our mission was to burn up three bags of gas on a high speed low level over the lush jungles of Thailand as part of a "confidence flight" required to ensure the tanks would feed before deploying back to the US.