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61. | polygonal support |
| 多角形支柱 |
|
|
| |
62. | ferroconcrete prop |
| 钢筋混凝土支柱 |
|
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| |
63. | stanchion splice |
| 支柱拼接 |
|
|
| |
64. | unyielding prop |
| 刚性支柱 |
|
|
| |
65. | leg restoration |
| 支柱复位 |
|
|
| |
66. | pier [building] |
| 支柱〔建筑物〕 |
|
|
| |
67. | timber extraction |
| 支柱回收 |
|
|
| |
68. | pier construction |
| 支柱结构 |
|
|
| |
69. | supporting insulator |
| 支柱绝缘子 |
|
|
| |
70. | oildraulic strut |
| 油液支柱 |
|
|
| |