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Terms for subject Aviation containing hardness assurance | all forms | exact matches only | in specified order only
| English | Chinese |
| hardness assurance | 硬度保证 |
| hardness assurance plan | 硬度保证计划 |
| hardness assurance program | 硬度保证程序 |
| hardness assurance test | 硬度保证测试 |
| hardness assurance working group | 硬度保证工作组 |