appraisal drilling (drilling for enlarging boreholes)
词语： appraisal drilling (drilling for enlarging boreholes)
解释： 钻井评估（扩孔钻）
词典： 专利专业英汉词典
appraisal drilling (drilling for enlarging boreholes) 相关解释
钻井评估（扩孔钻） appraisal drilling (drilling for enlarging boreholes)