coal processing_专利英汉词典
coal processing
[专利英汉词典]
coal processing【作业；运输】
煤炭加工
是什么意思，coal processing的解释，coal processing的翻译
[商务英汉词典] coal processing
[煤炭科技英汉词典] coal processing
[能源英汉词典] coal processing
[贸易英汉词典] coal processing
