{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"21 century national higher vocational and technical institutions mechanical Manufacturing and Automation Mechatronics common materials Metal Materials and Heat Treatment (2nd edition) [paperback](Chinese Edition)","author_name":"LI GUO PING","thumbnail_url":"https://www.ebooknetworking.net/books/753/315/big7533156293.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7533156293.html\">21 century national higher vocational and technical institutions mechanical Manufacturing and Automation Mechatronics common materials Metal Materials and Heat Treatment (2nd edition) [paperback](Chinese Edition)</a>","width":400,"height":300}