6个数组3中3有几组简介：This invention is beyond the times. Not only the craftsmen who made it, but also the Minister of Industry, Song Mei, were amazed. Not to mention the barracks, even the imperial palace does not have such an ingenious setting now.
This invention is beyond the times. Not only the craftsmen who made it, but also the Minister of Industry, Song Mei, were amazed. Not to mention the barracks, even the imperial palace does not have such an ingenious setting now.
