roller bit

基本解释

• 牙轮钻头；旋转钻头

同根派生

英汉例句

双语例句

• In this paper, on the basis of the results obtained from the bench and field tests of the three roller bit, its improving direction is approached.
  本文以三牙轮钻头的台架试验和油气田现场试验的效果为依据，探讨三牙轮钻头的改进方向。
• Analysis of the side-wall pattern shows that the side-cutting process of the roller bit is related to not only the teeth surface design but also the rock property and the drilling parameters.
  井壁模式分析说明，牙轮钻头的侧向切削过程不仅与齿面结构有关，而且与岩石性质、钻井参数有关。
• The investigation directions of the high speed roller bit sealing are put forward in the future.
  针对这些情况提出高速牙轮钻头轴承密封在今后的研究方向。
  lib.swpu.edu.cn

词组短语

短语

• roller r bit 牙轮钻头
• roller bearing bit 滚柱轴承钻头
• roller cone bit 牙轮钻头
• roller cutter bit 牙轮钻头
• cross roller rock bit 十字形四牙轮钻头

专业释义

能源科学技术

• 牙轮钻头

地球科学

• 牙轮钻头

机械工程

• 旋转钻头