| 词条 | soft coal |
| 释义 | soft coal in the United States, bituminous coal (q.v.), as opposed to hard coal, or anthracite. In Europe the designation soft coal is reserved for lignite and brown coal (qq.v.), whereas hard coal means bituminous coal. |
| 随便看 |
|
百科全书收录100133条中英文百科知识，基本涵盖了大多数领域的百科知识，是一部内容开放、自由的电子版百科全书。