基本解释矿山机械厂英汉例句双语例句Model QZ100K drill was developed by the machinery plant, Changsha Institute of Mining Research, With a China National practical new-type patent.QZ100K型潜孔钻机由本院机械厂研制，并已获国家实用新型专利。mining machinery plant更多例句专业释义商业矿山机械厂