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Expansion Bit

n. a bit with a cutting blade that can be adjusted to different sizes

1、活络螺旋钻头

...drill bit 钻头，钎头，打孔钻头expansion bit 活络螺旋钻头，变径钻头fishtail bit 鱼尾钻 ...

2、伸缩钻头

...expansion bend 膨胀弯管expansion bit 伸缩钻头expansion cement 膨胀水泥 ...

3、变径钻头

...Expansion bit drill 活络螺旋钻Expansion bit 活络螺旋钻头; 变径钻头Expansion block 膨胀垫 ...

expansion n bit drill活络螺旋钻

expansion n bit活络螺旋钻头

expansion bit drill活络螺旋钻

expansion bit detail伸缩钻头

经济学

能源科学技术

n.a bit with a cutting blade that can be adjusted to different sizes

同义词：expansive bit

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