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| plain carbon steel; ordinary carbon steel | |||
| plain steel; common carbon steel; plain carbon steel (【技】亦称普通碳素结构钢。与优质碳素钢相比，对含碳量、性能范围以及磷、硫和其他残余元素含量的限制较宽。我国和某些国家将普通碳素钢分为三类：甲类钢只保证力学性能，不保证化学成分；乙类钢只保证化学成分，不保证力学性能；特类钢既保证化学成分，又保证力学性能。); simple steel; straight carbon steel | |||
| common straight carbon steel | |||
| 普 通碳素钢: 12 phrases in 4 subjects |
| Automobiles | 1 |
| Bridge construction | 3 |
| Metallurgy | 7 |
| Technology | 1 |
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