- coal煤的采掘现场；因开采而露出的煤面
coal ash 煤灰
coal gangue 煤矸石
coal field 煤田
coking coal 焦煤；炼焦煤
coal dust 煤尘；煤粉
- cokeiten. 天然焦；自然焦煤
- cokingadj. 粘结的；烧焦的; n. 焦化; vi. 炼焦
coking plant 焦化厂；炼焦厂
coking coal 焦煤；炼焦煤
delayed coking [化]延迟焦化
- metallurgicalmetallurgical coal 冶金用煤；冶金煤；炼焦煤
ministry of metallurgical industry 冶金工业部
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