metallurgical coal
(now rare in technical use)
noun
High quality coal used to produce coke for metallurgical purposes; coking coal.
Origin
Early 20th century; earliest use found in Publications of the American Economic Association.
| 单词 | metallurgical coal |
| 释义 | metallurgical coal(now rare in technical use) noun High quality coal used to produce coke for metallurgical purposes; coking coal. Origin |
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