Replace piston rod and add flow passage on piston rod.
更换活塞杆，在活塞杆上增设流道。
Add flow passage inside of oil cylinder to let oil run and take heat away.
油缸内增设流道使油液流动起来，带走热量。
Unease is loss in the passage of time in flow internally fringes.
流年是流失在流动流离的流逝流光里的流苏。
Unease is loss in the passage of time in flow internally fringes.
流年是流失在流动流离的流逝流光里的流苏。
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