| 单词 | borehole |
| 释义 | borehole borehole n: (hole made by boring or piercing) SC 凿洞 záo dòng SC 钻孔 záo dòng，zuān kǒng SC 打孔 záo dòng，dǎ kǒng The workers began by placing explosive charges in the boreholes. bore hole n: (hole drilled into the ground) SC 钻孔 zuān kǒng |
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