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| |||
| 环流损耗 | |||
| 井漏; 循环损失 | |||
| 流通损耗; 循环中断; 循环液漏失; 冲洗液漏失 | |||
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circulation loss : 15 phrases in 4 subjects |
| Drilling | 3 |
| Engineering geology | 1 |
| Oil / petroleum | 4 |
| Technology | 7 |
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