| 词汇 | metallurgical coal |
| 释义 | Definition of metallurgical coal in English:metallurgical coalnoun rare
OriginEarly 20th century; earliest use found in Publications of the American Economic Association. Definition of metallurgical coal in US English:metallurgical coalnoun rare
OriginEarly 20th century; earliest use found in Publications of the American Economic Association. |
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