id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-2945	Huazhou, Liu; Yanhong, Shi	Integrated Design for Biomass Compression Molding Machine Based on CAD Technology	2018	6	.pdf	application/pdf	3497	137	48	Biomass energy is the fourth largest energy source after oil, coal and natural gas. In 1992, after the World Conference on Environment and Development, European and American countries began to vigorously develop biomass energy.	cache/cet-2945.pdf	txt/cet-2945.txt