相关单词近义词 coalescence 接合, coalition 结合, conglutination 粘着, concretion 凝固临近词coal oil, coal, coal ash-fusion temperature, coal firing hot-blast stove, Coal-generated hydrocarbons, Coal Feed Flow Control Valves, coal cutting under the rivers, coal-storing pit supporting, coal-sand dual media filter, coal deterioration regulation, coal-rich zone distribution, Coal-related condensate gas 返回 coalescency