- PBTB
- plugged-back total bottom - глубина скважины после установки забойного моста
Англо-русский словарь технических аббревиатур. 2011.
Англо-русский словарь технических аббревиатур. 2011.
PBTB — abbr. Push Back The Boundaries … Dictionary of abbreviations
Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… … Wikipedia