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.
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.
采用四面刃的剪切刀片，提高了刀具的使用寿命。
The adoption of four-sideedge shearing blade prolongs the service life of blade.
切割刀片采用金属镶焊金刚石结块材料制成，使用寿命长。
Insert a metal cutting blade of Diamond caking material, long life.
切割刀片采用金属镶焊金刚石结块材料制成，使用寿命长。
Insert a metal cutting blade of Diamond caking material, long life.
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