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| 汽动传送器 | |||
| 输送管; 管式气动传送器; 管输送机 | |||
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| 管状胶带输送机 | |||
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tube conveyer : 12 phrases in 3 subjects |
| Agriculture | 1 |
| Metallurgy | 1 |
| Technology | 10 |
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