内孔，机械零部件的内断面叫内孔。
vi. bore
misc. inner bore
Used grinding hole clamp in internal grinding machine to machining internal hole of the duplicate gear, the location precise is high, easy to operate, and operation reliable, raise the working efficiency.
在内圆磨床上使用磨孔夹具加工双联齿轮内孔,定位精度高,使用方便,工作可靠,极大地提高工作效率。
参考来源 - 双联齿轮磨孔夹具设计及应用To make sure the internal bore image reliability and realism in the hardware, the systerm uses optical fiber endoscope-CCD camera and image acquisition card to obtain the internal bore’s image, and to raise the detection accuracy.
通过采用光纤内窥镜、CCD摄像机和图像采集卡获得内孔图像,从硬件上保证了内孔图像的真实性和可靠性,从而提高了检测精度。
参考来源 - 基于机器视觉的内孔加工质量检测系统的研发The data is analyzed using different algorithms to give the geometry parameters of the fiber inner hole. Sophisticated software is programmed.
采用了不同的算法,精确计算插针内孔的几何参数,编制了实用化软件。
参考来源 - 光纤陶瓷插针内孔几何参数测试研究·2,447,543篇论文数据，部分数据来源于NoteExpress
法兰内孔管件内孔必须倒角焊接。
然后，从圆的外边缘到内孔剪一个口，如图所示。
Next, cut from the outside edge of the circle to the inner circle, as shown.
岩石的裂缝也可能很大，形成了基本岩石内孔开体积。
Fractures also may be quite large and contribute substantially to the volume of pore openings in the rock.
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