| 释义 |
boreholes
释义
[机]镗孔
[矿业]炮眼
（为了解地质水文而挖的）钻井
小口径小井（borehole 的名词复数）
例句
1·They also maintained boreholes and water pumps in the camps.
他们同时也维护着营地里的水井和水泵。
2·The correctness of the result was proved by some underground boreholes .
经过少量的井下钻孔验证，证实了结果的正确性。
3·The above stated method was successfully applied to 23 large diameter gas drainage boreholes .
采用上述方法已经成功施工23口大口径瓦斯抽排钻孔。
|