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aging period; ageing period | |||
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period of ageing | |||
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aging period |
老化 期 : 16 phrases in 11 subjects |
Aviation | 1 |
Chemistry | 1 |
Electronics | 2 |
General | 1 |
Oil / petroleum | 2 |
Oil processing plants | 1 |
Plastics | 1 |
Polymers | 1 |
Space | 2 |
Technology | 3 |
Telecommunications | 1 |