The efficiency and quality of inside thread influence directly production rate and ratio of precision. Therefore, it is very important that choosing appropriate process way.
内螺纹加工效率的高低和加工质量的好坏直接影响零件的生产效率和精度，因此选择合适的内螺纹加工方法就显得尤为重要。
The efficiency and quality of inside thread influence directly production rate and ratio of precision. Therefore, it is very important that choosing appropriate process way.
内螺纹加工效率的高低和加工质量的好坏直接影响零件的生产效率和精度，因此选择合适的内螺纹加工方法就显得尤为重要。
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