2017 12
2018-04-16 | 点击次数：934
In December 2017, the "tree heliostat (4 support), to complete the construction of the experimental base in Gansu.
2018-04-16 | 点击次数：934
In December 2017, the "tree heliostat (4 support), to complete the construction of the experimental base in Gansu.
