金相分析结果为寻求提高刀片寿命的途径指明了方向。
The result of microstructure analysis gives the direction of increasing the service life of cutter.
用于剪毛机刀片代替球化退火作毛坯预处理，淬火后刀片寿命大幅度提高。
The life of the sheep shearing machine cutter after quenching is improved largely by using the new process instead of traditional spheroidizing annealing.
这将会清洁刀片、防止生锈，延长几周使用寿命。
This will clean the blade, stave off rusting, and add weeks of shaving life.
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