lean coal

短语词组

短语

• lean -coal 双强煤粉少油点火器
• Lean clean coal 瘦精煤
• rich -lean pulverized coal burner 浓淡型煤粉燃烧器
• lean coal burner 贫煤型燃烧器
• lean coal -fired 贫煤
• lean coal char 贫煤焦
• firing lean coal 燃烧贫煤
• production meager lean coal 贫瘦煤
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