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examples of bits and drills /ɛɡzˈampəlz ɒv ˈbɪts/ n
English · examples of bits and drills中文 · 钻头与钻具示例
Significado：While both are intended for drilling holes in various materials, the bit has a center point while the drill ends in a cutting-edge cone.
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Drill bits and drilling tools Drill bits and drilling tools

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