旋转杆 meaning in English

rotary rod
tumbling rod
whirling arm

An indication rod or viewing window is set ascend and descend stemwith the valve to whow the open - close condition , revolve stem with the valve use a sealed gear - driving open - close indicating mechansim
升降杆阀门设有指示杆或观察窗以表示阀门的启闭情况，旋转杆阀门采用封闭齿轮转动启闭指示机构。
The emphasis on the applications of constrained regularization method is the identification of weight density distribution of hanging cable and rotating shaft , inversion of particle size distribution from light scattering data , the reconstruction of the atomatic radial distribution in exafs spec - troscopy
其中，我们的重点是约束正则化方法在悬索与旋转杆的重力密度识别、颗粒粒径分布的光散射反演、 exafs光谱学中原子径向分布的重构等问题中的应用，并同时进行了数值试验。