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churndrill bit
词语: churndrill bit
解释: 冲击钻头
词性: 名词
词典: 地质专业英汉词典
churndrill bit 相关解释
冲击钻头 churn-drill bit;impact drill bit
冲击钻头 percussion drill bit
冲击钻头 percussive bit
冲击钻头 impact bit chopping bit
冲击钻头 drill hammer