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| 履钣; 履钣架 | |||
| 塔脚; 墩台基底; 支柱座墩台基底 | |||
| 杆基; 支柱座 | |||
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основание опоры : 5 phrases in 3 subjects |
| Drilling | 1 |
| General | 1 |
| Technology | 3 |
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