BTL

Bilateral tubal ligation
Found on http://www.translationdirectory.com/glossaries/glossary124.htm

Btl

Bridged, Transformer Less. A circuit design wherein two small Integrated Circuit (IC) amplifier chan
Found on http://www.superglossary.com/Glossary/Technology/Home_Audio/

BTL

building tightness limit ( building tightness)
Found on http://www.translationdirectory.com/glossaries/glossary136.htm
No exact match found