1. an exploratory operation; exploratory reconnaisance; digging an exploratory well in the Gulf of Mexico; exploratory talks between diplomats. 
   探测性运转；探测侦察；在墨西哥海湾打一个探井；外交官之间的试探性谈话。
2. an exploratory oil well drilled in land not known to be an oil field. 
   不是在所知的油田开采的探险的油井。
3. exploratory tunnel drilling method 
   勘探坑道掘进方法
4. horizontal exploratory tunnel supporting 
   勘探水平坑道支护
5. hydraulic engineering geological exploratory survey 
   水利工程地质勘察测量

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• 1. 采勘井
  exploration 探勘...exploratory well 采勘井...extract 萃取物
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• 2. 探勘井
  探勘 prospecting...探勘井 exploratory well...探勘?^ concession
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• 3. 试验井
  experimental reactor 实验反应器...exploratory well 试验井...explosibility 爆炸性
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• 4. 引出井
  枯竭井 exit well...引出井 exploratory well...探井 exploratory wells
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