an excavation underneath something, or the excavation of a subgrade

listen to the pronunciation of an excavation underneath something, or the excavation of a subgrade
İngilizce - İngilizce
sub-excavation

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

an excavation underneath something, or the excavation of a subgrade

    Heceleme

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

    Telaffuz