But Duan, based in the southwest Chinese city of Chengdu, is working on an audacious project described as a "man-made sun".

  • 但是,段以中国西南部城市成都为基地,正在进行一个他称作是“人造太阳”的宏伟项目。

  • 互联网摘选 2026-05-07 14:19:40

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