Developing small size whipstock so as to reduce the hole enlarging cost.Carrying on reliability desi...
减小转向器钢质柔钻杆的阻力,以增大径向水平;
Developing small size whipstock so as to reduce the hole enlarging cost.Carrying on reliability desi...
减小转向器钢质柔钻杆的阻力,以增大径向水平;
Based on the models,the clearance between the walls of slide way in whipstock,the clearance between wheels against each ...
钻杆材料、规格、工艺参数的选择出了具体方案。
声明:以上例句、词均由互联网资源自动生成,部未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。