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单词
abrasive drilling
释义
abrasive drilling
abrasive drilling
[
ə′brās·əv ′dril·iŋ
]
(mining engineering)
A rotary drilling method in which drilling is effected by the abrasive action of the drill steel or drilling medium which rotates while being pressed against the rock.
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更新时间:2025/7/14 5:28:54