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| 点播; 精密播种机种子等距播种 | |||
| 宽垅播种机 | |||
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| 精密播种机 | |||
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spacing drill : 10 phrases in 5 subjects |
| Agriculture | 6 |
| Drilling | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 1 |
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