bend up | |
avia. | 弯曲; 弯曲; 弯上; 弯边向上; 向上弯曲 |
prestress | |
avia. | 预先拉伸; 镇压固结力 |
bridg.constr. | 预加应力 |
hydroel.st. | 预应力 |
bar | |
IMF. | 条 |
| |||
向上弯曲; 弯曲; 弯上; 弯边向上; 向上弯曲 | |||
上弯 |
bend-up prestress bar : 4 phrases in 4 subjects |
Athletics | 1 |
Aviation | 1 |
Bridge construction | 1 |
Technology | 1 |