catenary
n. 链;悬链线;链状物; adj. 悬链线的;垂曲线的
[数]n.悬链线;adj.悬链线的
cotidal hieroglyphologist meandering peculate polychromatophil rhizocarpous下载迅蛙App
lolian2#163.com
n. 链;悬链线;链状物; adj. 悬链线的;垂曲线的
[数]n.悬链线;adj.悬链线的
cotidal hieroglyphologist meandering peculate polychromatophil rhizocarpous