estaban refrigerando
-they/you were refrigerating
Imperfecto progresivo para el sujetoellos/ellas/ustedesdel verborefrigerar.

refrigerar

Solo dos de los tres serpentines del bucle se estaban refrigerando.
Only two of the three coils in the loop were being cooled.
Solo dos de las tres bobinas en el circuito se estaban refrigerando.
Only two of the three coils in the loop were being cooled.
Palabra del día
malvado