An uncle with drillingsteel in hand said it was the steel.
有一位手持钢钎的叔叔说，这就是钢。
2
Once cooled and tested, the blocks of steel are readyfor use in aerospace and oil-drilling, where high-strength steel is prized.
一旦经过冷却和测验，这些钢块就已经准备好用于太空事业和石油钻探这两个十分需要高强度钢材的领域。
3
Some methods of leakage blocking with pressure are direct drilling, plugging with fixture, copper wire leakage blocking and belt of Steel leakage blocking.