 |
| |||
| 石墨粉; 笔铅; 黑铅粉 | |||
| 【动】涂敷石墨; 添加石墨 | |||
| |||
| 铅黑 | |||
| 石墨粉; 黑铅粉 | |||
| 石墨 | |||
| 黑铅; 不纯石墨; 笔铅; 炭精 | |||
| |||
| 石墨制品 | |||
| black-lead: 10 phrases in 3 subjects |
| Automobiles | 1 |
| Metallurgy | 4 |
| Technology | 5 |
|
| |||
| 石墨粉; 笔铅; 黑铅粉 | |||
| 【动】涂敷石墨; 添加石墨 | |||
| |||
| 铅黑 | |||
| 石墨粉; 黑铅粉 | |||
| 石墨 | |||
| 黑铅; 不纯石墨; 笔铅; 炭精 | |||
| |||
| 石墨制品 | |||
| black-lead: 10 phrases in 3 subjects |
| Automobiles | 1 |
| Metallurgy | 4 |
| Technology | 5 |