词语coal dust
解释煤粉,煤屑
词性名词
coal dust〔名词〕煤粉,煤屑,煤尘详细»
coal dust〔名词〕煤粉详细»
coal dust煤粉详细»
coal dust〔名词〕煤粉;n.煤粉,煤屑详细»
coal dust〔名词〕煤尘详细»