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- The results of calculation and test show that the strength of casing reduces along with the perforation density increases. 计算和试验结果都表明,射孔后套管的极限承载能力均有不同程度的下降,下降幅度与射孔密度有关。
- EHD and perforating density also influence the strength of casing, but there are minus changes between before-perforation and after-perforation. 射孔孔径、孔密对套管抗挤压强度有影响，但射孔前后变化不大；
- Yuan H,Sarica C,Brill J P.Effect of perforation density on single phase liquid flow behavior in horizontal wells.SPE 37109,1996 周生田;张琪等.;水平井筒变质量流体流动实验研究
- high perforation density 高孔密
- perforation density 射孔密度
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- A perforation,as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。
- A perforation, as in a punched card or paper tape. 在穿孔卡片或纸带上穿孔的一种动作。
- An ornament inserted into a perforation in the lip. 唇饰穿在唇上的孔里的一种饰物
- This prevents bowel perforation. 这样可以防止肠道穿孔。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- The acute Perforation has developed. 发生急性穿孔。
- The population density is evened out. 种群密度亦趋于均匀化。
- A mark or a perforation indicating canceling. 取消记号表示取削的标记或孔洞
- The perforation in tectum is clear. 覆盖层不连续,有小穿孔。
- Density exceeded 100 nests per mile. 丝巢密度超过每英里100巢。
- The perfor mance indexes thereof are tested. 检测了该醇酸树脂的各项性能。
- Mesh sizes 16 and 32 are perforation cartridges. 网孔规格尺寸16和32是穿孔筒。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
