 |
| |||
| 涂层管 | |||
| 有覆盖层的管子; 有涂覆层管子 | |||
| 涂过的管道; 涂层钢管; 涂料管 | |||
| coated pipe: 21 phrases in 5 subjects |
| Compressors | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 4 |
| Refrigeration | 1 |
| Technology | 12 |
|
| |||
| 涂层管 | |||
| 有覆盖层的管子; 有涂覆层管子 | |||
| 涂过的管道; 涂层钢管; 涂料管 | |||
| coated pipe: 21 phrases in 5 subjects |
| Compressors | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 4 |
| Refrigeration | 1 |
| Technology | 12 |