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percussive coring bit
meaning in English
冲击钻探取心钻头
Related Words
percussive
percussive bit
percussive energy
percussive force
percussive boring
percussive drilling
percussive plough
percussive piling
percussive movement
percussive device
percussive cap
percussive coalcutter
percussive device
percussive drill
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