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31. | faraday cylinder |
| 法拉第圆筒 |
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32. | perforation cylinder |
| 炮眼圆筒 |
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33. | cylindrical arch dam |
| 圆筒拱坝 |
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34. | cylinder caisson |
| 圆筒沉井 |
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35. | concentration cylinder |
| 聚焦圆筒 |
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36. | multilayer cylinder |
| 多层圆筒 |
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37. | extraction cylinder |
| 提取圆筒 |
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38. | controller cylinder |
| 控制器圆筒 |
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39. | drum pelletizer |
| 圆筒制粒机 |
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40. | cylinder diaphrag |
| 圆筒光阑 |
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