Usoro servo bụ usoro nchịkwa hydraulic na-echekwa ike na nke ọma nke na-eji moto servo na-ebufe isi mmanụ mgbapụta mmanụ, belata sekit valve njikwa, ma na-achịkwa usoro mmịfe hydraulic.Ọ dabara nke ọma maka stampụ, ịnwụ akpụ akpụ, pịa dabara adaba, ịnwụ nkedo, ịgba ntụtụ.
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