bar coal-cutting machine,drum coal-cutting machine
词语： bar coal-cutting machine,drum coal-cutting machine
解释： 条形凿煤机，桶形凿煤机
词典： 专利专业英汉词典
bar coal-cutting machine,drum coal-cutting machine 相关解释
条形凿煤机，桶形凿煤机 bar coal-cutting machine,drum coal-cutting machine