短語詞組短語percussive rotary drilling technology 沖旋鉆井技術(shù)percussive machine drilling 沖喚鉆眼percussive rock drilling 沖擊鑿巖pneumatic percussive rotary drilling 風(fēng)動(dòng)沖擊回轉(zhuǎn)鉆進(jìn)percussive rotary drilling 沖積轉(zhuǎn)式鉆眼;沖積鉆鉆探percussive ratory drilling technology 沖旋鉆井技術(shù)percussive reverse drilling 沖擊反循環(huán)鉆進(jìn)vibratory y percussive drilling 振沖式鉆孔 返回 percussive drilling