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| countersink (过去式 countersunk) | |||
| conical countersink | |||
| counter bore | |||
| counterbore | |||
| countersink; countersunk | |||
| countersinking | |||
| 钻埋头孔: 5 phrases in 5 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Dentistry | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
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