求翻译：从50年代末，只能承建一座火力发电厂到如今能同时承担5至7坐2*600MW、2坐2*1000MW大型火力发电厂整体工程、十余座中小型电厂。是什么意思？

Only the construction of a thermal power plant from the late 1950s to the present can bear 5-7 sitting 2 * 600mw 2 sit 2 * 1000mw overall large-scale thermal power plant engineering, Shi Yuzuo small and medium-sized power plant.

From late 50s, you can only undertake the building of a power plant is now able to take 5 to 7 and 2, 2 * 600 MW 2 * 1000 MW large power plants work, more than 10 medium-sized power plants.

From the end of the 50's, only could undertake construction a thermal power plant until now to be able simultaneously to undertake 5 to 7 to sit 2*600MW, 2 sits the 2*1000MW large-scale thermal power plant overall project, ten middle and small scale power plants.

From the late 50, you can only build a thermal power plant 2*600MW to now as well as 5 to 7, 2 sat 2*1000MW in large thermal power plant project as a whole, more than more than 10 small and medium power plants.

正在翻译，请等待...