{"type":"rich","version":"1.0","title":"齿轮传动设计","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/ZlQ9POnmC-Iwh7bB/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/66543d3ce9e60be23087b6c1\" frameborder=\"0\" allowfullscreen></iframe>"}