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Measuring Average Speed Experimental suit Junior High School Physical Mechanics Experimental Instrument Solid Long Board Student Stopwatch
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Oblique Throwing Motion Trajectory Demonstrator Using Water-jet Phenomenon to Display Oblique Throwing Motion Trajectory Senior high school Physics Teaching
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Sliding rheostat 5Ω3A 10Ω2A 20Ω200Ω adjustable rheostat junior high school physics experiment equipment
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Glass Test Tube Various Specifications Flat Round Bottom Hard Test Tube Transparent Experimental Consumables Teaching Instrument Curl Test Tube
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Iodine flask 50ml-1000ml fixed iodine triangle flask iodine flask specifications optional laboratory consumables teaching
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