 |
| |||
| portico | |||
| gateway | |||
| portal frame | |||
| gate | |||
| crossbeam | |||
| portal support; "H" pole; "H" frame | |||
| bridge; crane bridge | |||
| overhead sign gantry; gallow; arcade; arcaded sidewalk; straddle carrier; straddle truck | |||
| |||
| open frames | |||
| |||
| portal structure in electric traction | |||
|
portico : 110 短语, 13 学科 |
| 一般 | 3 |
| 农业 | 1 |
| 冶金 | 6 |
| 化学 | 2 |
| 建造 | 19 |
| 技术 | 2 |
| 机械工程 | 19 |
| 核物理 | 1 |
| 电子产品 | 7 |
| 自然科学 | 1 |
| 行业 | 1 |
| 运输 | 46 |
| 铁路术语 | 2 |