Complex sentence: In the project the station carried the name Ploshchad Stsckek (Translated "Square of Strikes"), last years before opening-- "Stalinskaya"; under this name it has been presented at competition of building projects.
Split into simpler sentences: In the project the station carried the name Ploshchad Stackek (Translated "Square of Strikes"). Last years before opening its called name "Stalinskaya"; under this name it has been presented at competition of building projects.