| 1. | Assembly and erection of concrete pole structures
混凝土电线杆结构组装和竖立安装 |
| 2. | Assembly and erection of concrete pole structures
水泥电杆结构物的组装和竖立 |
| 3. | Steel model of circular prestressed concrete pole
环行预应力混凝土电杆钢模 |
| 4. | Prestressed concrete poles statically cast
预应力混凝土静力铸造杆材 |
| 5. | Supports for overhead lines - concrete poles of classes d and e
架空线路支架. d级和e级水泥电杆 |
| 6. | Supports for overhead lines . reinforced concrete poles . specification
架空线支架.钢筋混凝土电杆.规范 |
| 7. | Circular prestressed concrete pole
环形预应力混凝土电杆 |
| 8. | Circular reinforced concrete pole
环形钢筋混凝土电杆 |
| 9. | Supports for overhead lines . prestressed concrete poles . specification
架空线用支架.预应力混凝土电杆.规范 |
| 10. | Prestressed concrete pole with acrossed - webmember for electrization railway
电气化铁道横腹杆式预应力混凝土支柱 |
