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| 冷弯型钢 (【技】用钢板或带钢在冷状态下弯曲成的各种断面形状的钢材。广泛用于金属结构、金属家具、运输机械、农业机械等领域。) | |||
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cold-formed section steel : 2 phrases in 1 subject |
| Metallurgy | 2 |
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