1) jumper
[英]['dʒʌmpə(r)] [美]['dʒʌmpɚ]
长凿手钻
2) churn drill
凿钻
4) drilling rig
凿岩钻车
1.
The requirements of automatic control system of the drilling rig to the sensor are briefly discussed.
简要论述了凿岩钻车自动控制系统对传感器的要求,介绍了磁性编码器的工作原理和性能特点,并认为这种编码器适合用于凿岩钻车的自动控制系统。
5) special drilling
特种钻凿
1.
The paper summarized the development and research results of special drilling technique,the technical result transformation and examples of its application in many fields.
总结了特种钻凿技术的发展研究成果、特种钻凿技术成果的转化和多领域应用实例,对特种钻凿技术在资源、环境和工程建设中发展趋势与展望提出了的看
6) hard drilling
硬岩钻凿
1.
The large hole hard drilling is a technical difficult problem,though there are many researching thinking and methods from scientists and engineering technical personnel at home and abroad and achieved certain results.
大口径硬岩钻凿是一个技术难题，尽管国内外科学家和工程技术人员研究思路及方法较多，并取得了一定效果，但是，仍然存在着各种问题和不足。
补充资料：钻凿
1.犹言钻谋。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条