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| 〔冲洗液〕防漏添加剂; 堵漏材料 | |||
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| 液柱压力计 | |||
| 堵漏剂 | |||
| 堵漏材料 | |||
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lost circulation materials : 2 phrases in 2 subjects |
| Mechanics | 1 |
| Technology | 1 |
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