Thee outer circle ring rod inner circle without prior processing and has certain precision.
圆棒的外圆和环形件的内圆需经事先加工并具有一定的精度。
High precision surface processing, has good conductivity.
表面处理精度高，具有较好的导电性能。
Features: Material fine, fine processing, high precision, finish good, strong wear resistance, long life.
产品特点：材质优良，加工细腻，精密度高，光洁度好，耐磨性强，使用寿命长。
High precision of production process, good blade parts processing, long life! High wear resistant property.
高精度制作生产工艺，刀口部位加工优良，寿命长高耐磨性能强。
Therefore, developing ultra-precision processing technology manufacturing technology development is the main objective of all countries.
因而，开发超精细加工技术是各国制造技术开展的次要目的。
Therefore, developing ultra-precision processing technology manufacturing technology development is the main objective of all countries.
因而，开发超精细加工技术是各国制造技术开展的次要目的。
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