 |
| |||
| 硬度适中; 硬黑 | |||
| 硬质碳黑 | |||
| 硬烟末; 补强炭黑 | |||
| |||
| 补强炭黑; 硬质炭黑 | |||
| English thesaurus | |||
| |||
| hb | |||
|
hard black : 6 phrases in 3 subjects |
| Chemistry | 3 |
| Polymers | 1 |
| Technology | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips