[作业 运输] 弹性,型-线载体 elastic line: 弹性曲线; 弹性索; 弹性线elastic line (line of deflection): 弹性曲线carrier line: 载波传输线; 载波线路elastic top line: 松紧口artery of elastic type: 弹性动脉下载手机词典可随时随地查词查翻译