aquifuge

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版版，隔在版版和PS版之间，使印版不入现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.

介绍了力压应力测量的理和现场测量结果,论述了煤层底板隔层带的理和承压沿煤层上升的理,以及岩应力、压与隙扩展的关系。