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| 41. | oildraulic strut |
| 油液支柱 |
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| 42. | timber extraction |
| 支柱回收 |
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| 43. | supporting insulator |
| 支柱绝缘子 |
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| 44. | shock absorber strut |
| 减震器支柱 |
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| | |
| 45. | pier [building] |
| 支柱〔建筑物〕 |
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| 46. | unyielding prop |
| 刚性支柱 |
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| 47. | polygonal support |
| 多角形支柱 |
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| 48. | Hollow Stanchion |
| 货仓支柱 |
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| 49. | pier construction |
| 支柱结构 |
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| 50. | telescopic strut |
| 套筒支柱 |
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