| |||
safe in operation | |||
safety operation | |||
safe to operate | |||
safe handling; safe operation; safety traffic; security of service | |||
fail-safe operation | |||
safe running | |||
| |||
safety running | |||
| |||
fail-safe operation |
安全运 行 : 33 phrases in 13 subjects |
Aviation | 3 |
China | 2 |
Electric machinery | 1 |
Electronics | 8 |
General | 1 |
Hydroelectric power stations | 2 |
Information technology | 3 |
Oil / petroleum | 1 |
Rail transport | 5 |
Space | 1 |
Sports | 1 |
Technology | 4 |
Wind Energy | 1 |