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手持水钻如何固定打孔
更新时间: 2020-09-23 00:00:00  

手持水钻固定打孔共五个步骤。

开孔过程中要不断加水,可使用开孔的饮料瓶,挤压瓶子喷出小水柱即可;用笔标示出要打孔的位置,再滴几滴水;双手紧握手电钻,打开开关,将钻头倾斜45度;在打孔处磨一点凹槽,慢慢恢复电钻到90度;电钻恢复成90度后开始用劲下压电钻进行开孔。

关键词: 手持 如何 固定 打孔

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