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| IADC | 5 | 3 | 3 |
| IADC±àÂë | 1, 2, 3: ¸Ö³ÝÑÀÂÖ×êÍ·£¬ÊÊÓ¦µ×²ãÖð½¥±äÓ² 4,5,6,7,8: Ïâ³ÝÑÀÂÖ×êÍ·£¬ÊÊÓ¦µØ²ãÖð½¥±äÓ² |
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| ×êÍ·³ß´ç (in) | 8-1/2" | 9-1/2" | 17-1/2" |
| ×êÍ·³ß´ç (mm) | 215.9 | 241.3 | 444.5 |
| IADC±àÂë | 637 | 637 | 637 |
| Á¬½Ó¿ÛÐÍ | 4-1/2"API-REG | 6-5/8"API-REG | 7-5/8"API-REG |
| ÍƼöתËÙ | 180-40 | 180-40 | 180-40 |
| ÍƼö×êѹ | 0.5-1.1 | 0.5-1.1 | 0.5-1.1 |
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