According to experience of stonework excavation, we plan to adopt a in-the-holedrill to have deep hole controlled blasting technology.
根据石方开挖施工经验,计划采用潜孔钻机布孔进行深孔控制爆破技术施工。
2
A plug had been inserted inthedrillhole.
那个钻孔里已经塞上了塞子。
《柯林斯英汉双解大词典》
3
The laser, with its beam of strong light, can drill a holein a diamond, and yet can be so well controlled that it can be used in delicate eye operations.