相关单词近義詞 coherent 連貫的, coalescing 動詞coalesce的現...臨近詞coal oil, coal, coal ash chemistry component, coal-tar creosote solution, Coal tar and tarred products, Coal workers' pneumoconiosis, coal transport specific line, coal discharge guiding plate, coal-accumulating features, Coal and Gas Outburst Cavern, coalbed-gas-bearing seam, Coal resource-based county 返回 coalescent