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"Conversion and Conservation of Energy" Heat and Energy PPT Courseware 2
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"Heat Engine" Mechanical energy, internal energy and their conversion PPT courseware 5
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Blue fresh personal regularization report report PPT template
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2019 cute and warm baby children's growth photo album greeting card growth file PPT template
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Great Achievement Party Festival PPT Template
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"Gas Exchange Occurring in the Lungs" Human Respiration PPT Courseware 5
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"Scientific Inquiry: Synthesis of Forces" Force and Balance PPT (Experiment in Lesson 1: Explore the synthesis rules of two forces at angles to each other)
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