想不到的

She made me a cup of cocoa.

她泡了一杯可可饮料给我。

Fingering often occurs in waterflood development low permeability reservoir because of non-Darcy flow, which is weakened with formation dip increasing.

结果表明，由于非达西渗流的影响，注水开发时容易发生指进现象，而地层倾角的增大可以削弱指进；地层原油粘度的增大会增强开采难度，而地层渗透性能的改善会使油井产能提高。