percussive rotary drilling

短语词组

短語

• percussive e rotary drilling 沖積鑽鑽探
• percussive -rotary wire-line drilling 繩索取心沖擊廻轉鑽進
• auger -percussive-rotary drilling 螺鏇沖擊廻轉鑽進
• percussive rotary drilling technology 沖鏇鑽井技術
• pneumatic percussive rotary drilling 風動沖擊廻轉鑽進
• rotary percussive drilling 廻轉沖魂進
• rotary y percussive drilling 廻轉沖魂進
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