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Bell in Vacuum Jar with Plate
Bell in Vacuum Jar with Plate
May 25, 20
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เพื่อศึกษาคุณสมบัติของเสียงเกี่ยวกับการอาศัยตัวกลางในการเคลื่อนที่
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กระดิ่งสุญญากาศ
