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| 对扣扶正台在井口扶正套管 | |||
| 对扣台; 扶正对扣台; 套管扶正台 | |||
| 钻塔的扶管平台 (高 20 ~ 40 英尺) | |||
| stabbing board: 1 phrase in 1 subject |
| Drilling | 1 |
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