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| 栅格板 | |||
| 辅助底板; 格栅板 | |||
| 活 〔假〕地板 | |||
| 下套管时用于扶正套管的临时井口平台 | |||
| 假地板; 活地板; 空格底板; 架空地板; 假楼层; 假楼板; 假底; 夹层地板 | |||
| 风洞假地板 | |||
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false floor : 1 phrase in 1 subject |
| Technology | 1 |
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