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- THE ULTRASONIC TESTING OF THE HOLE QUALITY OF THE NON-EQUAL DIAMETER DRILLING PILE 非等截面桩超声波成孔质量检测
- A lubricator is redesigned and a big diameter cable and a large I. 采用大通量流管、大直径电缆；
- large diameter drilling pile 大直径挖孔桩
- The domestic cylinder card with big diameter is heavy rationed wi... 建议采用重定量时要兼顾出条速度和台时产量。
- long drilled pile with large diameter 大直径长钻孔桩
- Pile bottom pressure casting construction of drilled caisson pile with super big diameter in one super bridge 某特大桥超长大直径钻孔灌注桩桩底压浆施工
- big diameter driven cast-in-situ pile 大直径灌注桩
- For concrete lining construction of long inclined shaft with sleep obliquity and big diameter, the construction technology is complex and difficult. 摘要陡倾角大直径长斜井混凝土衬砌施工技术复杂，施工难度特别大。
- This paper introduces the way to turn big diameter holes by rocker drill-press,and analyses its feasibility and applied value though an example. 介绍利用自制专用工具,用摇臂钻床加工管板大直径管孔的方法;并以一实例加以说明该方法在加工大直径管孔上的可行性及实用性。
- Using the imported gold-plated reflector with big diameter and a 10.6um wave length, and using a ZnSe focuser with a neat focusing point. 进口大直径镀金10.;6um波长反射镜及znse聚焦镜，焦点更细。
- Analyzes the characteristic of pin tooth transmission on the occasion of driving big diameter disc, and proves the designing calculating methods and formulae. 该文分析了销齿传动在驱动大直径圆盘旋转时的特点,给出了销齿传动的设计计算方法和计算公式。
- cast-in-situ drilled piles with grouting 后压浆钻孔灌注桩
- The chech procedure,check iterns,and check standards of the super-standard big diameter wave expansion joints were discussed,and some experiences in operation were summarized. 就超标大直径波形膨胀节监检过程的检验项目和所依据标准作了探讨，并总结了在具体操作中的一些经验。
- The rolling technics of the big diameter sheave are introduced,the problems in rolling are analyzed,the methods for solving the problems are put forward. 文中提出了一种应用两根钢丝绳和一对滑轮组合的新夹丸机构 ,解决了在中药蜜丸沾蜡机工作过程中 ,夹丸机构会出现的自锁问题。
- Model XHF is able to automaticall suck slurry ,and it may be allocated horizontally without foam pump.It has a big diameter of impeller ,and high turning speed of the main shaft. XHF型浮选机有自吸矿浆能力;水平配置;不需泡沫泵;其叶轮直径大;主轴转速高.
- The rolling technology of big diameter sheave is introducted. Some problems in rolling are analyzed and the methods to solve the problem are also put forward. 介绍了大直径滑轮坯的轧制工艺,分析了轧制过程中存在的问题,并提出了解决方法。
- spirally - drilled pile with pumped concrete 长螺旋钻孔管内泵压混凝土灌注桩
- deep-water and large aperture drilled pile 深水大孔径钻孔桩
- The theoretical and technical problems to be researched for large diameter drilling are outlined with its application prospect appraised. 简述了大直径钻井需要研究的理论和技术问题,并对应用前景作了评价。
- static-pressure prestressed drilled pile 静压预应力管桩
