 |
| |||
| 花纹氧化皮 (钢板的一种表面缺陷) | |||
| 铁皮痕 | |||
| scale pattern: 9 phrases in 6 subjects |
| Earth sciences | 1 |
| Ecology | 1 |
| Electronics | 4 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Textile industry | 1 |
|
| |||
| 花纹氧化皮 (钢板的一种表面缺陷) | |||
| 铁皮痕 | |||
| scale pattern: 9 phrases in 6 subjects |
| Earth sciences | 1 |
| Ecology | 1 |
| Electronics | 4 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Textile industry | 1 |