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自沖式鉚釘的作用是什么

2019-08-21 00:00:00 70

自沖式鉚釘的作用是什么

1、不需要打孔,位置隨意;其中一個表面是平的;沒有廢料釘芯,節省材料;操作簡單,效率很高;自沖式鉚釘適合大批

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