史密斯热水器十年没清洗（史密斯热水器一般几年清洗一次）

{"rich_content":{"text":"","spans":null},"video":{"vid":"v028b0a70000c1fp6ffmp1m0qlkplgr0","duration":213.206,"width":1084,"height":540,"file_size":27404297,"thumb":{"web_uri":"tos-cn-p-0000/926a149ac8f14ff4a47b8df655359030","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":213.206,"file_size":24429433,"w":964,"h":480},"normal":{"duration":213.206,"file_size":17397953,"w":724,"h":360},"ultra":{"duration":213.206,"file_size":29144531,"w":1084,"h":540}},"is_encrypted":null,"sp":null,"md5":"d4cb51015f08482089a23a61c033c256","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}},