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H形钢 | |||
H形梁 | |||
宽缘工字钢 | |||
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H 型钢; 宽翼缘工字钢 | |||
工字钢 | |||
宽缘工字钢 | |||
H 形钢 |
H steel : 33 phrases in 9 subjects |
Architecture | 1 |
Bridge construction | 2 |
Chemistry | 1 |
Electronics | 1 |
Engineering geology | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 10 |
Rail transport | 3 |
Technology | 11 |