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| 成品钢管 (The finished tubes shall be capable of withstanding the following bending test without showing any signs of fracture or failure. 成品钢管应能经受住下述弯曲试验而不出现任何破裂或失效的征兆。) | |||
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finished tube : 7 phrases in 3 subjects |
| Metallurgy | 5 |
| Nautical | 1 |
| Technology | 1 |
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