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Terms for subject Technology containing directional well surveying | all forms | in specified order only
| English | Chinese |
| directional surveying of a well | 井的方位测量 |
| directional well surveying | 定向井测量 |
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| English | Chinese |
| directional surveying of a well | 井的方位测量 |
| directional well surveying | 定向井测量 |