rotary percussion drilling

常見例句

Hydraulic rotary-percussion drilling is one of five important drilling techniques recently. Itstechnique nucleus is hydro-percussive tools.
作為當(dāng)今五大鉆探技術(shù)之一的液動沖擊回轉(zhuǎn)鉆探的技術(shù)核心是液動沖擊器。
Rotary percussion drilling technology is one of major methods to increase the ROP and elongate the bit life when drilling through hard formations.
旋沖鉆井技術(shù)是解決硬脆性地層機(jī)械鉆速低、鉆頭使用壽命短的主要手段之一。
The pneumatic percussion rotary drilling is mainly operated in the area where liquid is hardly or not permitted to be used as the circular medium.
氣動沖擊回轉(zhuǎn)鉆進(jìn)主要應(yīng)用于難用或忌用液體作為循環(huán)介質(zhì)的地區(qū)。