DTH drill的用法和樣例：
例句
- This paper describes the significance of thestudy on high pressure pneumatic DTH drill,and main features of the products developedby CIMR.
本文闡述了開(kāi)展高氣壓潛孔鉆機研究的重要意義及我院研制的幾種產(chǎn)品的主要特征。 - According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology.
根據石方開(kāi)挖施工經(jīng)驗，計劃采用潛孔鉆機布孔進(jìn)行深孔控制爆破技術(shù)施工。
