短語(yǔ)詞組短語(yǔ)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