原级：borehole
1. 钻孔：Booster fans 局扇 | Boreholes 钻孔 | Branch resistance分支阻力
1. China is also set to drill 600 boreholes across the country and will also construct a modern primary school in the capital.
2. The water supply bureau in Fangshan district has provided clean drinking water to residents in 181 affected villages where boreholes were contaminated.
3. Electricity was then connected to the farm and boreholes were drilled for irrigation.