| 1. | Precast pier - head segment erection with lifting frame
用吊架安装桥墩柱顶预制构件 |
| 2. | Precast concrete segment erection with mbec lifting frame
Mbec吊架-安装预制桥面构件 |
| 3. | Precast concrete segment erection with mbec frame
Mbec吊架-安装预制桥面构件 |
| 4. | Pipe supports and hangers . part 1 : technical specification
管道支吊架第1部分;技术规范 |
| 5. | Design amp; calculation of the constant spring hangers
四连杆弹簧式恒力支吊架的设计计算 |
| 6. | Approach viaduct - segment unloading gantry
高架桥-预制石屎构件吊架 |
| 7. | Segment erection with mbec lifting frame
Mbec吊架-安装预制桥面构件 |
| 8. | Precast segment erection with lifting frames
用吊架安装预制构件 |
| 9. | Reconstruction of automobile ferry gangplank and hanger frame system
汽车渡船跳板吊架系统的改造 |
| 10. | Un - loading precast segment from barge with segment lifting frame
用吊架把预制构件由趸船吊上临时桥 |
