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原版，版原版和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.

介绍了裂应测量的原理和场测量结果,论述了煤层底板层带的阻机理和承沿煤层上升的机理,以及原岩应、与裂隙扩展的关系。