 |
extrados
| of
| cast-in-situ concrete
| lining
| extrados | |
| avia. | 机体上表面; 拱背 |
| bridg.constr. | 拱外圈 |
| eng.geol. | 外表面; 拱的外圈 |
| hydroel.st. | 外弧面，拱背 |
| met. | 拱背线 |
| oil | 拱背 |
| space | 供背线; 拱顶面 |
| of | |
| gen. | 的 |
| cast-in-situ concrete | |
| met. | 现浇混凝土 |
| lining | |
| book.bind. | 书脊衬纸 |
| |||
| 拱背线; 外拱线〔圈〕; 拱洞的外弧面 | |||
| 拱背 (线) | |||
| 机体上表面; 拱背 (拱的外缘线) | |||
| 拱外圈 | |||
| 外表面; 拱的外圈 | |||
| 外弧面，拱背 | |||
| 拱背线 | |||
| 拱背 | |||
| 供背线; 拱顶面 | |||
| 拱弧的外曲线; 外弧面; 外拱圈 | |||
|
extrados of cast-in-situ concrete lining : 20 phrases in 4 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Technology | 17 |
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