添加适量的扩孔剂也能一定程度地提高孔容.Addition of appropriate amount of pore - expanding agents could increase the pore volume.管道的选择, 测量, 切割, 扩孔和刻螺纹; 安装喷嘴以支撑管道系统.Select, measure, cut, ream and thread pipe, install sprinkler heads and moun...
枯死的榆树已被移去而换栽了一排幼树.The dead elms have been replaced by a row of saplings.这些幼树已经扎根了.The young trees have struck root.老苹果树必须挖掉,种上幼树.The old apple trees must be grubbed up and young ones planted....
The greatest lower bound of A is also called the infimum of A.A的最大下界边称为A的下确界.Property of symmetric random variable is discussed by introducing the concept of almost supremum and infimum.讨论了具有倒对称随机变量的若干性质.Gives the infimu...
然而, 也论及使用热释光材料的固体剂量学.However, solid state dosimetry with thermoluminescent materials is also included.此种实用新型灯饰仿玉石灯饰板, 采用高分子合成玉石及导光材料.Such a utility model lighting, using synthetic polymer materials, jade, and Light.零售: 抛...