| |||
drop manhole | |||
cable pit | |||
cable chamber; cable manhole; cable vault | |||
cable shaft | |||
| |||
cable shaft |
电 缆井: 35 phrases in 11 subjects |
Drilling | 2 |
Electronics | 5 |
Explosives and Explosive Ordnance Disposal | 1 |
Geophysics | 9 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Mining | 1 |
Navigation | 1 |
Oil / petroleum | 8 |
Space | 1 |
Technology | 5 |