 |
| |||
| fail safety; fail safety (性) | |||
| fail-safe (结构个别构件的破损不影响整个结构以保证安全) | |||
| fail safe; fail-safety | |||
|
破损安全 : 10 phrases in 6 subjects |
| Aviation | 2 |
| Chemistry | 1 |
| General | 2 |
| International trade | 1 |
| Space | 2 |
| Technology | 2 |
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