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| triangulation control; trigonometric control; trigonometrical control | |||
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三角 控制 : 16 phrases in 6 subjects |
| Bridge construction | 2 |
| Electric machinery | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Technology | 9 |
| Textile industry | 2 |
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