Sometimes the flag on a pole fillipaway granula adhereto aquifuge of the original plate burning, and PS in print, original version, so that the plates appear an holdout.

有时一些不起眼的尘埃颗粒粘住晒版版，隔在晒版版和PS版之间，使印版不入不吸墨的不满缺不背。

The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo.

水力压裂应力测量的理和场测量结果,论述煤层底板隔水层带的阻水机理和承压水沿煤层上升的机理,以及岩应力、水压与裂隙扩展的关系。