时间:2022-09-12 05:20:59作者:大毛
厂家直销55度数控圆鼻r角铣刀2r0.2 3r0.2 4r0.5 6r0.5 8r0.5 10r
铣刀合金双角硬质合金角度60度90度75度yg8yw2钨钢三面刃铣刀
60度钨钢内r铣刀 圆弧r角涂层钨钢倒边合金铣刀反r刀倒角刀可订做
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