a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
core bit 30秒了解
- (noun) a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
Meanings
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1
noun a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
Summary
a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
- (noun) a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
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