单词 | drill hole |
释义 | drill hole (once / 67539 pages) n WORD FAMILY drill hole: drill holes USAGE EXAMPLESMultiple drill holes suggest measurements had to be redone and mistakes corrected. New York Times(Nov 03, 2016) But another possibility of contamination occurs where the drill hole goes through the water-bearing rock. BBC(Oct 06, 2016) Without these offers of help the AGW might have to commission new drill holes - a process that could be very time consuming and very expensive. BBC(Aug 30, 2016) n a hole or passage made by a drill; usually made for exploratory purposes Syn|Hypo|Hyper bore, bore-hole shot hole drill hole for a charge of an explosive excavation a hole in the ground made by excavating |
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