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Thermometer box Wet temperature observation box meteorological instrument box teaching experimental instrumentsCD

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Physics Teaching Vibration Generator Equipment Lab Oscillator Experimental Instrument

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Physics Teaching Vibration Generator Equipment Lab Oscillator Experimental Instrument

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physics Electromagnetic cyclotron ring accelerator scientific experimental equipment novel and exotic physics homemade teaching

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physics Electromagnetic cyclotron ring accelerator scientific experimental equipment novel and exotic physics homemade teaching

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