砂轮头架在电脑控制下的运动，可能磨削各种孔型、设备到达最大的机动性。
The Computer Controlled movements of the grinding wheel head will allow the maximum flexibility in the profile grinding.
在两相流工况下，对两种孔型板波填料作气流的径向分布性能的实验研究。
The radial mixing characteristics were studied for two different types of hole in the Mellapak under two-phase countercurrent flow.
采用热力学方法推导出稳态非均匀温度场中孔型零件在受力情况下的热变形公式。
The equations of thermal deformation of hollow piece under stress in uneven steady-state and even steady-state temperature field have been obtained.
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