| |||
fire ladder; motor ladder | |||
aerial ladder | |||
big stick | |||
scaling ladder | |||
| |||
aerial |
云梯 : 28 phrases in 9 subjects |
Architecture | 1 |
Automobiles | 11 |
Construction | 1 |
Exhibitions | 2 |
Firefighting and fire-control systems | 1 |
General | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Technology | 9 |