词语煤球
解释coal ball
coal ball〔名词〕煤中结核,煤核,煤层石球详细»
coal ball〔名词〕煤结核,煤中结核,煤核,煤层石球详细»
煤球coal briquette;eggette详细»
煤球〔名词〕coal briquette,coal-briquettes详细»
煤球briquet详细»
煤球briquetting详细»