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。
Numerical simulation on sliding of close joint in rock mass and evaluation on its mechanical behavior
岩体闭合节理摩擦滑动模拟与力学行为研究
Movement analysis of ball sliding type constant velocity universal joint
滑球型同步万向联轴器运动分析
Analysis on Swinging Angle and Sliding Displacement Detection of Constant Velocity Universal Joint for Automobile
汽车等速万向节摆角和滑移量检测的分析和研究
He castings of pipe joint with outer screw are manufactured by a moving core mechanism of inclined sliding block.
带有外螺纹的管接口铸件采用斜滑块抽芯机构生产。
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