变，降低了精密机械工程 (precision mechanical engineering)的重要性，从而为很多 原先复杂的生产工序向国外转移提供了可能性或便利条件。
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o precision mechanical engineering 精确坏工程 ; 精确机械工程
Precision mechanical engineering consultants 精密机械工程顾问
Design of mechanical precision is a compulsory subject for machinery speciality of engineering college and the teaching quality of its experiment course plays an important role.
机械精度设计是工科院校机械类专业的必修课，其实验课的教学质量至关重要。
Mr. Bai got B. A. of Technology from the Optics engineering department of Changchun Optics Precision Mechanical School. Mr.
白继迅先生毕业于长春光学精密机械学院光学工程系，获工学学士学位。
The main measures for remanufacturing include: (1) to repair the worn, flawed parts with surface engineering technologies to recover the mechanical precision;
再制造的主要内容包括采用表面技术修复机床的磨损、划伤表面，恢复并提高机床的机械精度；
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