Значение слова "DRILL DOWN (TO SOMETHING)" найдено в 1 источнике

DRILL DOWN (TO SOMETHING)

найдено в "Dictionary of American idioms"
drill down (to something): translation

drill down (to something)
to bore downward to something or some distance. •

We drilled down to a layer of waterbearing sand, hoping to make a well.

They had to drill down to bedrock to make a base for the piers that hold the building up.



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