Sometimes, Lin Fan has to admit that professionals doing professional things are twice the result with half the effort.

In two days, the best oil layer suitable for exploitation of the oil field has been found.

It's just that the wellhead of the Luoyang shovel is indeed too small, and it is easy to block and collapse when the oil is blown, and the pipe cannot be discharged.

The group discussed and found a way to do it.

In the end, it was Yin San'er......

"I'm the King of the Cottage" Chapter 122 The second shopkeeper is hitting in the hand, please wait a while,

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