英德
有道
百度
谷歌
图片
维基
百科
孔环 [kǒng huán]
porous circle
- 通过建立弹性体的力学模型进行理论计算，得到五孔环型称重传感器的设计计算公式，并且该公式得到实验的验证。
The formula of designing a 5-hole annular type weighing transducer was deduced by building the mechanical mould and the formula was validated by experiment. - 适当增加输油孔到填料盘内环的距离可以预防裂纹的产生。
Increasing the distance from oil hole to inner annulus of the stuffing box can prevent the fatigue. - 首次将水射流技术应用到多环扩孔施工中，在实验室模拟试验的基础上对其进行了深入的探讨，并确定了具体的设计参数，工程实践证明该方法是可行的。
For the first application of water jet technology in multi-ring hole reaming and on the basis of the laboratory simulation test deep discussion was made and specific technical parameters were determined.The engineering practice has proved its feasibility.
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