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2019台灣國際雷射展「雷射工藝」競賽 https://news.idea-show.com/post/2019%e5%8f%b0%e7%81%a3%e5%9c%8b%e9%9a%9b%e9%9b%b7%e5%b0%84%e5%b1%95%e3%80%8c%e9%9b%b7%e5%b0%84%e5%b7%a5%e8%97%9d%e3%80%8d%e7%ab%b6%e8%b3%bd/