When the gas driven pressure is low, the water in the macropore will be first driven out. along with the increase of the gas driven pressure, the water in the fine pore will be then driven out.

 
  • 氣驅壓力較小時,首先驅出大孔隙中的水,隨著氣驅壓力的增大,逐步將小一些孔隙中的水驅出;
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