The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
英
美
- 潛孔錘沖擊擠密鉆進(jìn)技術(shù)集沖擊鉆進(jìn)、振動(dòng)鉆進(jìn)及空氣鉆進(jìn)的優(yōu)點(diǎn)于一體,鉆進(jìn)效率高,成孔質(zhì)量好,在土質(zhì)地層鉆進(jìn)工程中有著(zhù)廣闊的應用前景。
