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前幾天又去買了3臺鉆攻機 |
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點評
切削力矩不太夠,,普通45#好說,我這邊全是熱處理的模仁,,沖模上下模,,最次的也是SKD61, 忙的時候做治具,沒治具了,,只能看著模具那邊忙,,插不上手啊,!
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評分
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