brazo de elevación del árbol oscilante
/ˈbɾaθo ðe ˌeleβaθjˈon del ˈaɾβol ˌosθilˈante/
n
English: rock shaft lift arm · 提升臂
Significado：Part controlled by the hydraulic cylinder that raises and lowers a tool by means of the lifting link and the draft link.