 |
| |||
| coal tar | |||
| tar | |||
| tar, black varnish; goudron; pitch | |||
| tar A viscous material composed of complex, high-molecular-weight, compounds derived from the distillation of petroleum or the destructive distillation of wood or coal | |||
| soft asphalt | |||
|
goudron : 248 短语, 23 学科 |
| 一般 | 5 |
| 书籍装订 | 1 |
| 农业 | 15 |
| 冶金 | 14 |
| 包装 | 3 |
| 化学 | 56 |
| 医疗的 | 19 |
| 卫生保健 | 2 |
| 商业 | 1 |
| 地质学 | 1 |
| 建造 | 52 |
| 技术 | 2 |
| 林业 | 1 |
| 法律 | 3 |
| 煤炭 | 8 |
| 环境 | 14 |
| 石油/石油 | 4 |
| 矿业 | 1 |
| 能源行业 | 2 |
| 自然资源和野生动物保护 | 3 |
| 行业 | 32 |
| 财政 | 1 |
| 运输 | 8 |