rod action

The utility model relates to a single-action two-way equalizing valve, comprising a valve body, a valve plug, a valve rod, a pressing cover, a compensating cushion ring, etc.

本实用新型是一种单动双通平衡阀，由阀体、阀塞、阀杆、压盖、补偿垫圈等组成。

Base on Rayleigh-Ritz method, a calculation formulation of action effect increment of a prestressed horizontal tension rod is firstly presented.

根据瑞利&李滋法，对先张法预应力吊车梁首次提出了预应力水平拉杆作用效应增量的计算公式。

As the buffer action of the elastic of the tension spring of the elastic of the fishing rod, the hook fish is difficult to escape.

由于拉簧的弹性和鱼杆本身弹性的缓冲作用，钩住的鱼不易逃脱。

A calculation method of action effect increment of prestressed horizontal tension rod

预应力水平拉杆作用效应增量的计算钢吊车梁水平拉杆初始预拉力计算

Hard-chromed piston rod with micro-grooves , increasing the rigidity and reducing friction, keep better lubrication action.

活塞杆微裂纹镀硬铬, 增因硬度减少磨擦, 保持油膜润滑效果值.