test boring 예문

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1. "We've already been out there doing test borings and drawing building permits.
2. Stahle and Matthew D . Therrell, a fellow dendrochronologist, started taking test borings.
3. Drilling began with test bores to assess the viability of a deep borehole.
4. Test bores on the route of the postulated tunnel found material that was penetrated by debris.
5. In 1941 geological surveys were conducted on Tsushima Island and test bores were sunk to close to Kyk
   shk
   .