rotary percussion drilling
短語詞組
- rotary y percussion drilling 旋轉(zhuǎn)沖喚鉆進(jìn)
- percussion rotary drilling technology 沖擊旋轉(zhuǎn)鉆井技術(shù)
- percussion rotary drilling 沖擊回轉(zhuǎn)鉆進(jìn)
- percussion -rotary drilling technique 沖擊旋轉(zhuǎn)鉆進(jìn)技術(shù)
- hydraulic percussion and rotary drilling 液動(dòng)沖擊回轉(zhuǎn)鉆進(jìn) 返回 rotary percussion drilling