1. несовершенство; недостаток; дефект; изъян 2. место дефекта - design imperfection - hairline imperfection - hydrodynamical imperfection of well - maintenance imperfection - operational imperfection - well imperfection due to method of completion - well imperfection due to partial penetration - well imperfection
IMPERFECTION
Англо-русский перевод IMPERFECTION
ВНИИГАЗ, РАО ГАЗПРОМ. Big English-Russian dictionary of oil and gas. Большой Англо-Русский словарь по нефти и газу. 1998