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  • fcaswfc さんのプロフィール写真
    fcaswfc - "AN INTRODUCTION TO BALL SCREWS Ball screws are top of the class when it comes to linear motion control solutions that provide precision and efficiency. Find out more about how ball screws work, why they are so […]"表示
    有効 (2年, 10か月前)
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    有効 (2年, 12か月前)
  • wsfc さんのプロフィール写真
    wsfc - "What is tungsten? Tungsten, meaning “heavy stone” in Swedish, is a very hard and heavy silver gray rare metal. With the highest melting point among metals, tungsten has a relatively large electric resistance as […]"表示
    有効 (3年前)