| |||
service hours | |||
time in service | |||
hour of service | |||
hours of service | |||
time of service | |||
service time | |||
servicing time; spell | |||
| |||
spell |
服务时 间: 47 phrases in 14 subjects |
Automobiles | 1 |
Aviation | 1 |
Business | 8 |
Computer networks | 6 |
Corporate governance | 5 |
Electronics | 4 |
General | 2 |
Information technology | 5 |
Management | 1 |
Multimedia | 1 |
Oil / petroleum | 1 |
Space | 4 |
Technology | 6 |
Telecommunications | 2 |