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| 油田水; 油田盐水 | |||
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| 油矿区盐水 | |||
| 油田盐水; 油田水; 油田卤水 | |||
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| 钻井时进人井内的油田盐水; 矿水 | |||
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oil-field brine : 2 phrases in 1 subject |
| Oil / petroleum | 2 |
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