KUO-CHI LIAO2018-09-102018-09-102012http://www.airitilibrary.com/Publication/Index/a0000255-201201-201203120037-201203120037-21-27http://scholars.lib.ntu.edu.tw/handle/123456789/370025電動病床雙邊驅動式升降傾斜機構設計與應力分析journal article