id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-2172	Ye, Zhenru	Analysis of the Mechanical Principle of Water Rocket Launch and Its Design	2022	4	.pdf	application/pdf	2436	152	71	Based on the study of the mechanical principles of water rocket launch, the performance and safety of water rocket are improved through analysis and improvement of design. China Abstract: Water rocket is a common physical extracurricular production work.	cache/ajst-2172.pdf	txt/ajst-2172.txt