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- This paper analyses how the whipstocking screw drill tools easily trip in casing. 因此，结构弯角必然较大，这就提出了这种钻具在套管内能否顺利下入的问题。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 综合分析了目前使用的PDC钻头和螺杆钻具工作特性。
- Miniaturization and automatization of the ultrasonic drilling device can bring about more wideapplication in ultrasonic process field. 超声振动制孔装置的小型化和自动化可以扩大其在复合材料加工领域的应用范围。
- The time-domain response model of flaw long screw drill and pour pile was established based on the damped wave equation of pile-soil interaction system. 从桩-土系统共同作用的波动阻尼方程入手,建立了成层土中缺陷长螺旋钻孔灌注桩的时域响应模型。
- top driving well drilling device 顶驱钻井装置
- Keywords screw drill tool;cardan shaft;design;application; 螺杆钻具;万向轴;设计;应用;
- Design of Multi-spindle Drilling Device for Connecting Rod 多轴传动钻孔装置设计
- Therefore,no delay should be allowed in developing drilling devices characterized by safety in undertaking the task and favorableness to the health of the participating policemen and policewomen. 研究训练设备,保障训练工作的安全开展和参训公安民警的身体健康刻不容缓。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- Design of CAT System for Screw Drilling Tools and Screw Drilling Motors 螺杆钻具、螺杆泵性能计算机辅助测试系统的设计
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- Study of Wide Area Ultrasonic Drilling Device on Resin Composite Material 树脂基复合材料广域超声制孔装置
- The taste of the lemon made her screw up her face. 柠檬把她酸得龇牙咧嘴。
- The workman is drilling in the wall. 工人正在墙上打孔。
- Does this lid screw on, or does one press it down? 这个盖子是拧的还是按的?
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- Turn the screw to the right to tighten it. 将螺钉向右旋紧。
