 |
| |||
| 地脚螺栓; 基脚螺栓 | |||
| 脚踏门闩; 基脚栓; 脚踏门锁; 门底脚螺栓; 踏钮; 竖直螺栓 | |||
| foot bolt: 4 phrases in 4 subjects |
| Bridge construction | 1 |
| Electric machinery | 1 |
| Metallurgy | 1 |
| Technology | 1 |
|
| |||
| 地脚螺栓; 基脚螺栓 | |||
| 脚踏门闩; 基脚栓; 脚踏门锁; 门底脚螺栓; 踏钮; 竖直螺栓 | |||
| foot bolt: 4 phrases in 4 subjects |
| Bridge construction | 1 |
| Electric machinery | 1 |
| Metallurgy | 1 |
| Technology | 1 |