tubular centrifuge working video
========================================================================================================

.. raw:: html


   <video width="100%" height="100%" controls>
   <source src="https://outin-0fed40cae50711eaa61200163e1c94a4.oss-cn-shanghai.aliyuncs.com/sv/3496ce82-18089abc8a7/3496ce82-18089abc8a7.mp4" type="video/mp4" />
   </video>