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| 摆式掏槽扇形掏槽的一种形式,属于倾斜孔掏槽一类。分为: 1. 槽式掏槽 〈sumping cut〉。 2. 交替摆式掏槽 〈bench round cut〉。 3. 水平摆式掏槽 〈horizontal swing cut〉。 4. 垂直向上摆式掏槽〈vertical swing cut〉 | |||
| 旋涡型陶槽 | |||
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swing cut : 7 phrases in 4 subjects |
| General | 1 |
| Metallurgy | 2 |
| Technology | 3 |
| Wushu | 1 |
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