除湿机原理与维修视频（除湿机维修视频教程）

{"rich_content":{"text":"","spans":null},"video":{"vid":"v028b0ca0000bvjo9gafukr58e6fiq1g","duration":137.184,"width":1084,"height":540,"file_size":17307671,"thumb":{"web_uri":"tos-cn-p-0000/47d65b7827df4ec092c09ddfb43a565e","width":724,"height":360,"image_type":null,"mimetype":null,"encrypt_web_uri":null,"secret_key":null,"encrypt_algorithm":null,"extra":null},"video_size":{"high":{"duration":137.184,"file_size":15863049,"w":964,"h":480},"normal":{"duration":137.184,"file_size":11219217,"w":724,"h":360},"ultra":{"duration":137.184,"file_size":18964655,"w":1084,"h":540}},"is_encrypted":null,"sp":null,"md5":"2ab979419e4dbbbefaed98b3463ee530","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}},