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关注：1
2013-05-23 12:21
求翻译：抽油机是油田开采的重要机械设备是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
抽油机是油田开采的重要机械设备
问题补充： |
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2013-05-23 12:21:38
Pumping oil exploration machinery and equipment
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2013-05-23 12:23:18
It is pumping the oil major mechanical equipment
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2013-05-23 12:24:58
The pumping unit is the oil field mining important mechanical device
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2013-05-23 12:26:38
Pumping units is an important mechanical drilling equipment
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2013-05-23 12:28:18
正在翻译，请等待...
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