A long groove axially interpenetrates the guide sleeve.
导套上有一轴向贯通的长槽。
The support plate rotarily matches the annular groove of the socket wrench barrel, and a rotatable tripod with the hexagonal sleeve barrel as a center is formed.
支撑板与套筒扳手筒的环形槽旋转配合连在一起，以六角套筒为中心构成一个可转动的三角架。
A dynamic pressure generating groove 12 is formed on the lower end surface of sleeve 5, and a dynamic pressure generating groove 13 is formed on the upper surface of the endplate 7.
动压力产生槽(12)形成于套筒(5)的下端表面上，并且动压力产生槽(13)形成于端板(7)的上表面上。
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