与"coal tar ointment"相近的词条

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• coal-tar dyes
• Coal tar extract
• coal-tar fuel
• coal-tar gas
• Coal tar naphtha
• coal tar ointment
• coal tar pitch volatiles
• Coal tar preparation
• coal tar remedies
• coal tar solution
• coal tar topical solution
• Coal workers' lung
• coal workers pneumoconiosis、coal workers' pneumoconiosis、coal worker's pneumoconiosis
• coalball
• coalbumin
• coalbunker

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