Spanish translation: tornillos elevadores de soporte
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Muchas gracias a todos, amigos.
Yo hoy me retiro ya.
16 mins confidence:
por medio de los tornillos para levantar el soporte
Explanation: More or less, my Spanish is not the best in the world... You will find a better way to say it.
"support jacking screws" refers to some jack-like (jack like in "gato para levantar el coche") support placed on adjustable feet. Each foot's height camn be adjusted by totating a screw in order to achieve perfect flatness of tool support.