Recently, I rejected some stories submitted to Electric Spec, which among other things, had little or no dialog. The first few pages were descriptions and telling the reader what was happening. This rarely works in a short story. Often it leaves the reader with one of the three necessary quantities: plot, characterization, and setting.
Writers, take an honest look at your stories. Do you have a coherent and original plot? Have you created realistic, interesting, flawed characters? Is your setting unique and fully fleshed-out? If not, try another draft. Good luck!