打钻 meaning in English
bore
drg
drill
make a hole
Examples
- Drill three holes in the floor / base plate for anchoring the leg
在地面/底板上为锚固支柱打钻三个孔。 - Mark location of the holes for the opposite leg and drill three more holes
标注出对面支柱的孔洞位置，并打钻出三个孔。 - Andalysis on a major coal and gas outburst accident occurred during a drilling operation in datong no . 2 mine
打通二矿一次打钻引起的重大煤与瓦斯突出事故的分析 - Based on analytical result , evaluation model on gas burning in drill hole is established by using analytic hierarchy process , weight coefficient of risky factors affecting gas burning is determined and hierarchy total taxis are made
结合平顶山十矿戊20160工作面的打钻情况，对影响钻孔瓦斯燃烧的危险因素进行了分析，根据分析结果建立了评价层次模型，运用层次分析法确定了影响钻孔瓦斯燃烧各危险性因素的权重系数，并对权重系数进行了层次总排序。