lean coke 中文意思是什麼
lean coke
解釋
劣質焦炭-
Anthracite coal blended with lean coal and coking coal powder to prepare excellent quality coke
無煙煤配入瘦煤和焦粉制備優質型焦 -
Technological research on preparation of foundry formed coke from coke powder mixed with meagre and lean coal
焦粉與貧瘦煤配合制備鑄造型焦的工藝研究
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