coal-mining machinery【矿】;coal-cutting machinery【矿】
采煤滚筒
coal-cutting drum【矿】
暂无补充释义。
相关词条
bar coal-cutting machine, drum coal-cutting machine
chain coal-cutting machine
coal-cutting drum【矿】
暂无补充释义。
coal-mining machinery【矿】;coal-cutting machinery【矿】
bar coal-cutting machine, drum coal-cutting machine
chain coal-cutting machine