Special pattern was used to weld core iron to guarantee position accuracy of cast holes;
采用专用胎具焊接芯骨以保证铸孔的位置精度；
This position detecting system is of good detecting accuracy.
该位置检测系统获得了较好的检测精度。
The high alignment accuracy of precision position is very important.
精密定位的高精度是精密定位技术研究的重要课题。
The high alignment accuracy of precision position is very important.
精密定位的高精度是精密定位技术研究的重要课题。
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