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周期断面
| 型钢
| 周期断面 | |
| met. | die-rolled section; die rolled section |
| H型钢 | |
| met. | H section |
| 型钢 | |
| hydroel.st. | profile steel |
| met. | bar iron; bar shape; commercial steel; fashioned iron; merchant steel |
| |||
| die-rolled section; die rolled section (钢材) | |||
| die rolled section | |||
|
周期断面 : 22 phrases in 4 subjects |
| General | 1 |
| Metallurgy | 17 |
| Steel production | 2 |
| Technology | 2 |
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