an excavation underneath something, or the excavation of a subgrade

Английский Язык - Английский Язык

Определение an excavation underneath something, or the excavation of a subgrade в Английский Язык Английский Язык словарь

sub-excavation

We were grading the road and found a soft spot where we did a sub-excavation.

Расстановка переносов

an ex·ca·va·tion un·der·neath something, or the ex·ca·va·tion of a sub·grade