tapering drill
英
美
- 锥孔钻机
双语例句
- According to experience of stonework excavation, we plan to adopt a in-the-hole drill 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。 - This paper describes the significance of thestudy on high pressure pneumatic DTH drill,and main features of the products developedby CIMR.
本文阐述了开展高气压潜孔钻机研究的重要意义及我院研制的几种产品的主要特征。
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