1980年电视机生产线（电视机的制造过程1980年）

{"rich_content":{"text":"电视机的制造过程，1980年的生产线就这么先进了","spans":null},"video":{"vid":"v028b05a0000bv9vkpj664994ahkn650","duration":185.714,"width":1024,"height":576,"file_size":20894324,"thumb":{"web_uri":"tos-cn-p-0000/cac9aa3920a34bc9be05580fafb19015","width":640,"height":360,"image_type":null,"mimetype":null,"encrypt_web_uri":null,"secret_key":null,"encrypt_algorithm":null,"extra":null},"video_size":{"high":{"duration":185.714,"file_size":19740896,"w":854,"h":480},"normal":{"duration":185.714,"file_size":13781727,"w":640,"h":360},"ultra":{"duration":185.714,"file_size":24439663,"w":1024,"h":576}},"is_encrypted":null,"sp":null,"md5":"22e7d25b9202c05e6ee4c6d3072e32de","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}},