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如何在玻璃上打孔
更新时间: 2020-09-24 00:00:00  

1、将玻璃板水平放置,并在下面加物垫起;2、将耐火泥用水调匀,堆在钻孔位置上,中间做成漏斗状,漏斗孔底部与需钻孔洞的直径相等;3、将旧牙膏外皮剪碎,放在融化器皿中加热烧熔;4、将烧熔的金属溶液迅速倒进漏斗状的泥坑中,偏打孔部分的玻璃因高温熔化落下,这样玻璃上所需的孔洞便形成了。

关键词: 如何 玻璃 打孔

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