“钻孔”怎么读

“钻孔”的英语可以翻译为：drill，bore，perforate，drill hole，broach ...

钻孔已塞上了塞子。A plug had been inserted in the drill hole.钻头必须缓慢转动，以保证钻孔平整光滑。The drill should be slowly rotated to ensure a clean hole.牙医开始在那颗有问题的牙齿上挖洞，钻孔，直到最后把它补好。The dentist commenced to dig, drill and finally fill the offen...