Prb
abbr. principal borehole 主钻井
🗣️ 情景例句
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。
Thank you very much.
非常感谢大家。
He inspected the car for defects.
他详细检查车子有无效障。