请输入您要查询的字词:
单词
eccentric reaming bit
释义
eccentric reaming bit
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
kangxie
Kangxi Emperor's Posthumous Edict
Kang Xinfu
Kangxi's Private Visit
Kangxi Stationery Pot of Seals
Kang Ye's Tomb of Northern Zhou Dynasty
Kang Yin
Kang Youwei
Kang Yuzhi
Kang Zhuo
Kang Zilin
Kanha National Park
Kanigen
kanikōse
k-anisotropic algebraic group
k-anisotropic group k
Kanjingsi Grotto
Kankan
Kan Miu Bu Que Qie Yun
Kannada films
Kannada language
Kannagawa pumped-storage power station
Kannen Shōsetsu・Conceptual novels
Kano
Kano Chronicle
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/29 16:20:38