1·Can we use the power slips?
可以用动力卡瓦吗?
2·However the contact stress between slips and casing is very complex, it is extremely difficult to study directly in theory.
然而卡瓦和套管间形成非常复杂的接触压力,从理论上直接研究非常困难。
3·Please load the truck with bad tongs, slips and elevators!
请把这些坏大钳、卡瓦和吊卡装到车上!
4·Slips are an important component to guarantee the Packer's reliability.
卡瓦是保证封隔器工作可靠性的重要元件。
5·Contact area of slips and the fish is large, and the fish-top borne force is even and not distorted.
特点1、卡瓦同落鱼的接触面积大,鱼顶受压力均匀,不变形。