อุปกรณ์ทดสอบในห้องปฏิบัติการคุณภาพสูง, ชุดดูดทรายแบบกรวยเอเบราฮัม, แม่พิมพ์แบบแห้งพื้นผิวเต็มไปด้วยน้ำ และแท่งบดอัด

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