如果被水淹了，也有可能，我们在研究历史的过程中就有断代的可能。
If they were covered by water, maybe, we would meet blank in the history study process.
介绍了撞楔法在恢复水淹斜井中的优点与施工过程。
The advantages and construction process of bumping beam method used in recovering flooded slope are introduced.
在开发过程中，由于底水锥进，油井很快水淹，开发效果变差。
In the development process, as a result of the bottom water's coning, the oil well soon be flooded, development effect variation.
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