发布时间:2025-02-01 23:29:18
可以试着用废弃的横幅,在路边就挂着的,红色那种,把它剪成你要的图案,或者剪成条带贴在灯上。
加工Φ30的孔要经过钻扩粗铰精铰这几步要用到什么刀具刀具规格是
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