 |
| |||
| 锅炉除垢剂; 锅炉清洗剂 | |||
| |||
| 锅炉防垢〔防锈，清洗〕剂 | |||
| 锅炉清洁剂; 锅炉防垢［锈］剂 | |||
| 锅炉防垢剂 | |||
| 锅炉防垢清洁剂 | |||
| boiler compounds: 5 phrases in 4 subjects |
| General | 1 |
| Nautical | 2 |
| Oil processing plants | 1 |
| Technology | 1 |
|
| |||
| 锅炉除垢剂; 锅炉清洗剂 | |||
| |||
| 锅炉防垢〔防锈，清洗〕剂 | |||
| 锅炉清洁剂; 锅炉防垢［锈］剂 | |||
| 锅炉防垢剂 | |||
| 锅炉防垢清洁剂 | |||
| boiler compounds: 5 phrases in 4 subjects |
| General | 1 |
| Nautical | 2 |
| Oil processing plants | 1 |
| Technology | 1 |