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test by bending and unbending | |||
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test by bending and unbending |
弯曲-反弯曲 试 验 : 41 phrases in 9 subjects |
Automobiles | 1 |
Aviation | 1 |
Construction | 1 |
Electronics | 2 |
Metallurgy | 17 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Steel production | 1 |
Technology | 16 |