{"type":"rich","version":"1.0","title":"機械材料","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Yld2oSaOf2Zq8B-b/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/625776a1268e7f666af01f9b\" frameborder=\"0\" allowfullscreen></iframe>"}