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精制钢; 成品钢; 钢材; 成品钢 (Arsenic is not completely removed during the steel refining process and imparts brittleness to the finished steel. 神在钢的精炼期间未完全脱除,因而会使钢材发脆。) |
finished steel : 82 phrases in 6 subjects |
Aviation | 2 |
Business | 1 |
Engineering geology | 1 |
Metallurgy | 67 |
Nautical | 1 |
Technology | 10 |