{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Application Basics of Variable Frequency Drive(higher vocational technology education mechanical and electrical major planning coursebook) (Chinese Edition)","author_name":"shi qiu jie","thumbnail_url":"https://www.ebooknetworking.net/books/711/111/big7111110633.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7111110633.html\">The Application Basics of Variable Frequency Drive(higher vocational technology education mechanical and electrical major planning coursebook) (Chinese Edition)</a>","width":400,"height":300}