continuous frame
| steel structure
| continuous frame | |
| bridg.constr. | 连续框架 |
| steel structure | |
| agric. | 钢 结构 |
| hydroel.st. од. | 钢结构 |
| |||
| 连续框架 | |||
| 连续肋骨; 连续构架 | |||
|
continuous frame : 11 phrases in 3 subjects |
| Bridge construction | 3 |
| Rail transport | 1 |
| Technology | 7 |