| 单词 | slim hole |
| 释义 | slim hole [`slīm ´hōl] ENGINEERING A drill hole of the smallest practicable size, drilled with less-than normal-diameter tools, used primarily as a seismic shothole and for structure tests and sometimes for stratigraphic tests. PETROLEUM ENGINEERING A diamond-drill borehole having a diameter of 5 inches (12.7 centimeters) or less. |
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