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31. | hinged stanchion |
| 铰接立柱 |
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32. | drilling machine column |
| 钻床立柱 |
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33. | stanchion chain |
| 立柱链 |
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34. | middle standingpillar |
| 中间立柱 |
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35. | side wall outer panel |
| 门立柱 |
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36. | pillar type column |
| 圆立柱 |
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37. | resetting of post |
| 立柱位移 |
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38. | detachable column |
| 单立柱 |
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39. | column diameter |
| 立柱直径 |
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40. | An isolated pier |
| 独立柱 |
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