Although wire and chain are still widely used for heavy lifting slings they have many drawbacks. 虽然有线和链仍然是广泛使用的重型起重吊索,他们有很多弊端。
Design of hanger tension and main cable configuration constitutes the key issues in designing self-anchored suspension bridges. 确定自锚式悬索桥的吊索张力及主缆线形是设计中的难点。
It was the first eyebar suspension bridge. 它是第一座眼杆式悬索桥。
Stringer webs have cracked in suspension bridges at the stringer-floor bean connections. 在悬索桥的纵梁和横的连接处,纵梁的腹板上发生开裂。