钢梁的跨度、量和安装高度不同，适合的吊装机械和吊装方法亦随之而异。
Assembly equipment and assembly method differs as span, weight and installation height of girder.
钢梁的跨度、重量和安装高度不同，适合的吊装机械和吊装方法亦随之而异。
Assembly equipment and assembly method differs as span, weight and installation height of girder.
钢梁的跨度、重量和安装高度不同，适合的吊装机械和吊装方法亦随之而异。
Assembly equipment and assembly method differs as span, weight and installation height of girder.
应用推荐