The invention relates to a container cover for closely covering a container opening part, in particular to a sliding pin type incorrect opening preventing container cover.
本发明涉及紧盖于容器口部的容器盖，具体为一种滑销式防误开容器盖。
This paper presents a method of calculating the static sliding friction factor between zigzag slot and pin. A brief description of the fuse zigzag slot mechanism is given.
该文给出了求解惯性筒上的曲折槽与销之间的滑动静摩擦系数的一种方法，介绍了引信曲折槽机构。
To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.
为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。
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