{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"vocational skills training class of materials: mechanical knowledge graph(Chinese Edition)","author_name":"LI JING ZHONG WANG MEI","thumbnail_url":"https://www.ebooknetworking.net/books/B00/5DV/bigB005DV8TUO.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B005DV8TUO.html\">vocational skills training class of materials: mechanical knowledge graph(Chinese Edition)</a>","width":400,"height":300}