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Archimedes Principle Experimental Device Overflow Water Cup Floating Body with Hanging Ring 120g Waterproof Physical Buoyancy Equipment
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The balance condition of the physical and mechanical forces of the aluminum alloy lever with scale in the suit of the magnetic lever ruler.
74 monthly purchase
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Metal hook code 50g * 10g iron hook code 200g * 4 weight combination hook code physical and mechanical balance experimental equipment
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pulley block and bracket set teaching aids junior high school physical mechanics experimental equipment metal hook bar box dynamometer
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