... 精密机加部件 precision machined parts 精密锻机 precision forging machine 精密捻线机 precision twister ...
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The material selection, working out the process and repairing method in reform of the precision forging machine to substitute with China-making spares are analyzed and improving plan proposed.
对精锻机关键备件的国产化从材质的选择、工艺的制订及修理进行了分析，并提出了改进方案。
The technology of precision roll forging by closed die groove of machine driven plough share are researched systematically.
系统研究了机引犁铧闭式型槽精密辊锻技术。
The enhancement of precision has been achieved in parts of forging or in parts of forging before lathing by developing the plastic machine of the ferrule. As a...
通过研制整径机实现对锻件先整径后车精度的提高，从而降低工件的留量，提高材料利用率。
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