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tapered core bit
释义
tapered core bit
tapered core bit
[
′tā·pərd ′kȯr ‚bit
]
(design engineering)
A core bit having a conical diamond-inset crown surface tapering from a borehole size at the bit face to the next larger borehole size at its upper, shank, or reaming-shell end.
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更新时间:2026/9/30 21:22:08