{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"secondary vocational education in national planning refrigeration and air conditioning equipment, materials use and maintenance of professional: Refrigeration Principles","author_name":"TIAN GUO QING","thumbnail_url":"https://www.ebooknetworking.net/books/711/110/big7111105419.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7111105419.html\">secondary vocational education in national planning refrigeration and air conditioning equipment, materials use and maintenance of professional: Refrigeration Principles</a>","width":400,"height":300}