swirl guide shoe是什么意思

网络释义

1)swirl guide shoe,旋流引鞋2)combination whirler float and guide shoe,旋流浮阀引鞋3)whirler shoe,旋流套管鞋4)shoe guide,引鞋5)float plug,浮力引鞋6)casing shoe guide,套管引鞋