- 型 mould; model
- 心 the heart
- 钻 drill; auger
- 钻头 boring crown; bore bit; dril ...
- 心钻头 core bit
- 不提钻钻头 no-hoisting drill bit
- 侧钻钻头 side-tracking bit
- 冲击钻钻头 chopping bit
- 顿钻钻头 chopping bit
- 金刚钻钻头 diamond bit; diamond nib
- 曲槟钻钻头 nose bit
- 手钻钻头 gimlet bit; gimlet point
- 震击钻钻头 hammer operated bit
- 振动钻钻头 vibrating bit
- 重钻钻头 re-drill bit
- 霰弹钻钻头 pellet impact bit
- 凹心钻头 concave bit
- 半取心钻头 semi-coring bit
- 不取心钻头 blind bit; coreless bit; full-face bit
- 空心钻头 hollow bit; hollow boring bit; hollow drill bit
- 偏心钻头 deviation bit; eccentric bit; excentric bit; off balance bit; off-balance bit
- 取心钻头 core drilling bit; core head; coring bit; coring crown; rock core bit
- 取岩心钻头 coring bit
- 实心钻头 solid bit; solid drill; solid-crown bit
- 双中心钻头 bicenter bit
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Last modified time:Tue, 12 Aug 2025 00:29:56 GMT