cavern washout
1размыв каверны — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN cavern washout …
2cave — Synonyms and related words: abri, air raid shelter, antre, bend, bomb shelter, bombproof, bow, bowl, break, break down, breakdown, breaking up, breakup, buckle, bunker, burrow, capitulate, cataclysm, catastrophe, cave in, cave in, cavern, cavity …