Abrupt fluid a permeable reservoir; gradational ones indicate a low permeability with a high capillary pressure. 突变的流体界面表层储层具有很好的渗透率, 而渐变的流体界面表明储层的渗透率较差,且储层的毛细压力较高.
The surface reactivity of many nonblack fillers generally precludes strong bonding with this type of matrix.许多非碳黑填料的表面反应性一般阻碍与该种基质形成牢固的粘结.Cortical grafts, whether autogeneic or allogeneic, at least initially act as weigh...
Since 1977 otter hunting has been illegal.捕猎水獭1977年以后就被列为非法了。Von Otter was superb both in the darkly dramatic songs, and in the lighter ones.冯·奥特无论是演唱严肃的戏剧曲目还是较为轻松愉快的歌曲时，都表现得无可挑剔。The otter , as knowing all the paths, too...