This problem can be resolved by using submerged well method for constructing big diameter water sources well.

采用沉井法施工大口径水源井可解决施工用淡水的问题。

youdao

This problem can be resolved by using submerged well method for constructing big diameter water sources well.

采用沉井法施工大口径水源井可解决施工用淡水的问题。

youdao