经过时效处理接头强度系数提高到72.5%。
After aging treatments, the strength coefficient reached 72.5%.
采用固溶过时效处理之后，耐磨性优于正常固溶时效处理的试样。
Compared with the samples prepared by normal aging treatment, the test samples prepared by overaging treatment have better wear resistance.
床身、横梁、立柱等主要部件均经过时效处理，稳定性好，加工精度高；
The main components such as body, crossbeam, column etc. were through aging treatment, so they have good stability and high machining precision.
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