percussion drilling
短語(yǔ)詞組
- percussion tool drilling 頓鉆鉆井法;標(biāo)簽
- percussion reversed drilling 沖擊反循環(huán)鉆鑿
- percussion rotary drilling technology 沖擊旋轉(zhuǎn)鉆井技術(shù)
- percussion n drilling 沖魂井;沖魂
- percussion n drilling machine 沖喚鉆機(jī)
- downhole percussion rock drilling 潛孔沖擊鑿巖
- percussion rotary drilling 沖擊回轉(zhuǎn)鉆進(jìn)
- percussion n drilling system 沖魂井方法
- percussion drilling system 沖魂井方法 返回 percussion drilling