 |
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| 背贴角钢; 背靠背拼合角钢; 背靠背组合角钢; 角钢背距离; T形组合角钢 (背对背设置的角钢) | |||
| |||
| T 形组合角钢; 角钢背距离 | |||
|
back-to-back angles : 9 phrases, 4 sujets |
| Construction | 1 |
| Construction de ponts | 1 |
| Pétrole / pétrole | 1 |
| Technologie | 6 |
|
| |||
| 背贴角钢; 背靠背拼合角钢; 背靠背组合角钢; 角钢背距离; T形组合角钢 (背对背设置的角钢) | |||
| |||
| T 形组合角钢; 角钢背距离 | |||
|
back-to-back angles : 9 phrases, 4 sujets |
| Construction | 1 |
| Construction de ponts | 1 |
| Pétrole / pétrole | 1 |
| Technologie | 6 |