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【技術史】真空管の中身はどうなっているのか。
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This Battery Lasts for 30 Years And China Just Put It on the Grid
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【引張試験】吊り具、破断させてみた!!ワイヤの半掛けって本当に2倍持つの?
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貨物列車の仕組みとメカをわかりやすく解説｜鉄道の基礎知識
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Why China Built The World’s Most Unprofitable Train Network
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The Scariest Chart in Electrical Engineering
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Why US Trucks Are Trapped in the 1980s (While Europe Evolved)
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When Designers Go Mad: Unhinged Warships
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Tiny Gas Engine on Autonomous Boat
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【航空技術】なぜ戦闘機の排気ノズルは動くのか？ジェットエンジンの排気技術を徹底解剖。
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Stuttgart 21 - verplant, verbaut, verschoben. Von falschen Kabeln und doppelten Signalen | SWR Doku
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Why Did CAD Software Become Free? ── 40 Years of 3D-CAD Democratization
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It WOULDN'T Let Them Pull UP!!? | The Strange Story Of Lufthansa Flight 1829
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【エンジンの秘密】ディーゼルはなぜっ非力になってしまうのか
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[Eng sub] How a alternator (car generator) works. explained
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空港の展望台でドヤれる飛行機のメカの話【エンジン/油圧/空気圧/翼】
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How Is Silicone Made? THE STRANGE RUBBER THAT ISN’T PLASTIC
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