當變頻電銲機加裝（高週波引弧）裝置，銲接效率提高多少？！
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焊接教學：鋁合金銲接考試板#鋁焊接#TIG
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TRUMPF at EuroBLECH 2024: Sheet metal processing from the DIFFERENT star!
20:05
Trump tries to seize Greenland and Panama for national security... and cannot afford to lose Taiwan!
18:55
台灣只能買退役戰車? 翻修爛車? 猴版裝甲? 是時候來終結台灣艾布蘭的流言【Dino Brothers Studio】[CC字幕]
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TIG 電焊 c02 焊接面罩怎麼挑!? Speedglas Welding Helmet銲接面罩系列功能介紹【超認真少年】 Choosing a Welding Helmet
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waste oil heating stove mini 3 in 1 ! Millions of people do not know this knowledge
57:46
尤金劇場技術課講堂：CO2焊接－讓新手一次就上手
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