percussion drilling
短語詞組
- percussion tool drilling 頓鑽鑽井法;標(biāo)簽
- percussion reversed drilling 沖擊反循環(huán)鑽鑿
- percussion rotary drilling technology 沖擊鏇轉(zhuǎn)鑽井技術(shù)
- percussion n drilling 沖魂井;沖魂
- percussion n drilling machine 沖喚鑽機(jī)
- downhole percussion rock drilling 潛孔沖擊鑿巖
- percussion rotary drilling 沖擊廻轉(zhuǎn)鑽進(jìn)
- percussion n drilling system 沖魂井方法
- percussion drilling system 沖魂井方法 返回 percussion drilling