“偏心扩眼钻头”的概念、定义、翻译、参考文献-科学参考

单词	偏心扩眼钻头
释义	偏心扩眼钻头 Encyclopedia 工学钻井装备释 eccentric reaming bit偏心扩眼钻头常规阶梯钻头的扩眼部分的旋转轴线偏离钻柱旋转轴线一定距离，假想存在一个以钻柱旋转轴线为中心线直径等于的圆柱，仅保留扩眼部分在假想圆柱内的刀翼，同时领眼部分和上部钻柱也必须落在假想圆柱内的结构限制的钻头。
随便看	Anthropological Type of Ancient Northwest of China Anthropological Type of Ancient South China anthropologic documentary anthropology Anthropology from a Pragmatic Point of View Anthropology Museum of Guangxi Anthropology Museum of Hulun Buir Anthropology Museum of Oroqen Autonomous Banner Anthropology of Art anthropology of Christianity anthropology of education Anthropology of Sport anthropology of tourism anthropometric measurement anthropometry anthropomorphic load anthropomorphic polygon anthropomorphism Anthro-silting materials anthrosol in China Anthrosols anthrostagnic epipedon anthrostagnic moisture regime Anthroturbic layer anthurium bacterial blight

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