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| 拉槽在巷道掘进中使用的一种变相的楔形掏槽，从巷道顶板开始的拉槽，叫拉顶槽〈top cut〉, 从底板开始的拉槽，叫拉底槽〈toe cut〉和分步 | |||
| 拉剪; 拉切 | |||
| 拉剪靠张力卷筒的拉力剪切; 上向掏槽 | |||
| 拉剪 (用张力卷筒); 回程切削 | |||
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| 【压】 拉剪; 拉切 | |||
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draw cut : 10 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 3 |
| Metallurgy | 4 |
| Technology | 3 |
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