| |||
| 二道卷封滚轮〈罐〉 | |||
| 修整; 补充加工; 精加工 | |||
|
second operation : 13 phrases in 7 subjects |
| Air defense | 5 |
| Computers | 1 |
| Metallurgy | 2 |
| Packaging | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| |||
| 二道卷封滚轮〈罐〉 | |||
| 修整; 补充加工; 精加工 | |||
|
second operation : 13 phrases in 7 subjects |
| Air defense | 5 |
| Computers | 1 |
| Metallurgy | 2 |
| Packaging | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
| Telecommunications | 1 |